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Buy from Amazon $25.60$0.68 $27.50 $22.00 $16.50 $11.00 $5.50 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $25.60, Sep 9 - Nov 5$24.94, Nov 22 9:34 pm$24.44, Nov 27 - Nov 29$23.95, Dec 2 - Dec 23$23.82, Dec 26 7:01 am$23.69, Dec 28 4:02 pm$23.57, Dec 30 - Jan 1$23.45, Jan 3 12:06 am$23.33, Jan 5 - Jan 9$23.30, Jan 10 - Jan 27$23.43, Jan 27 - Jan 30$23.31, Jan 30 - Feb 3$24.50, Feb 8 - Feb 9$24.74, Feb 10 - Feb 11$24.49, Feb 13 - Feb 14$24.24, Feb 14 - Feb 16$23.99, Feb 17 - Feb 18$23.75, Feb 19 - Feb 22$23.69, Apr 14 - May 20$23.69, Apr 14 - May 20$19.95, May 3 - May 12$6.13, May 4 10:54 pm$23.69, Apr 14 - May 20$19.95, May 3 - May 12$5.86, May 7 2:28 am$23.69, Apr 14 - May 20$19.95, May 3 - May 12$5.49, May 9 7:57 am$23.69, Apr 14 - May 20$19.95, May 3 - May 12$5.37, May 11 9:41 pm$23.69, Apr 14 - May 20$23.00, May 13 2:17 am$5.32, May 13 6:59 pm$23.69, Apr 14 - May 20$10.40, May 15 - May 16$5.30, May 16 11:16 am$23.69, Apr 14 - May 20$21.00, May 18 - May 20$5.26, May 19 - May 20$23.92, May 21 - May 25$14.95, May 22 - May 23$7.29, May 22 1:33 am$23.92, May 21 - May 25$7.58, May 23 - May 28$7.23, May 24 12:08 pm$23.69, May 26 - Jun 21$7.58, May 23 - May 28$4.85, May 27 3:17 am$23.69, May 26 - Jun 21$7.20, May 29 - Jun 4$3.48, May 29 3:00 pm$23.69, May 26 - Jun 21$7.20, May 29 - Jun 4$2.78, Jun 1 4:01 am$23.69, May 26 - Jun 21$7.20, May 29 - Jun 4$2.31, Jun 3 6:18 pm$23.69, May 26 - Jun 21$15.00, Jun 5 2:16 pm$2.08, Jun 5 2:16 pm$23.69, May 26 - Jun 21$21.00, Jun 11 - Jun 18$1.93, Jun 8 - Jun 13$23.69, May 26 - Jun 21$21.00, Jun 11 - Jun 18$1.83, Jun 15 11:50 pm$23.69, May 26 - Jun 21$23.00, Jun 18 8:05 pm$1.70, Jun 18 8:05 pm$23.69, May 26 - Jun 21$18.99, Jun 20 - Jun 23$1.57, Jun 20 - Jun 22$24.50, Jun 21 - Aug 14$18.93, Jun 24 3:10 am$1.99, Jun 24 3:10 am$24.50, Jun 21 - Aug 14$18.86, Jun 25 - Jun 27$1.99, Jun 26 10:22 am$24.50, Jun 21 - Aug 14$18.75, Jun 28 7:41 pm$1.99, Jun 28 - Jun 30$24.50, Jun 21 - Aug 14$18.77, Jun 30 - Jul 1$5.46, Jul 1 9:03 am$24.50, Jun 21 - Aug 14$18.24, Jul 2 - Jul 3$5.45, Jul 3 6:43 pm$24.50, Jun 21 - Aug 14$15.00, Jul 6 2:31 am$2.00, Jul 6 - Jul 7$24.50, Jun 21 - Aug 14$14.90, Jul 7 - Jul 8$4.66, Jul 8 6:46 pm$24.50, Jun 21 - Aug 14$13.99, Jul 11 5:51 am$7.13, Jul 11 5:51 am$24.50, Jun 21 - Aug 14$7.05, Jul 14 12:28 am$6.80, Jul 14 - Jul 19$24.50, Jun 21 - Aug 14$6.80, Jul 14 - Jul 19$5.00, Jul 16 2:10 pm$24.50, Jun 21 - Aug 14$6.80, Jul 14 - Jul 19$4.99, Jul 19 - Jul 20$24.50, Jun 21 - Aug 14$13.97, Jul 20 - Jul 23$4.98, Jul 21 3:55 am$24.50, Jun 21 - Aug 14$13.97, Jul 20 - Jul 23$3.49, Jul 23 10:45 am$24.50, Jun 21 - Aug 14$13.99, Jul 24 - Jul 28$3.52, Jul 26 - Jul 27$24.50, Jun 21 - Aug 14$13.99, Jul 24 - Jul 28$3.56, Jul 27 - Jul 29$24.50, Jun 21 - Aug 14$14.00, Jul 31 - Aug 4$7.05, Jul 31 - Aug 1$24.50, Jun 21 - Aug 14$14.00, Jul 31 - Aug 4$6.99, Aug 2 - Aug 4$24.50, Jun 21 - Aug 14$13.99, Aug 5 - Aug 6$2.27, Aug 5 5:53 am$24.50, Jun 21 - Aug 14$14.00, Aug 7 - Aug 9$2.89, Aug 8 4:03 am$24.50, Jun 21 - Aug 14$12.00, Aug 10 - Aug 12$5.00, Aug 10 5:51 am$24.50, Jun 21 - Aug 14$11.00, Aug 13 - Aug 18$6.99, Aug 13 12:50 am$24.25, Aug 14 - Aug 18$11.00, Aug 13 - Aug 18$9.70, Aug 15 9:23 pm$24.25, Aug 14 - Aug 18$11.00, Aug 13 - Aug 18$7.99, Aug 18 12:03 am$24.00, Aug 20 - Aug 23$18.89, Aug 20 2:10 am$8.00, Aug 18 - Aug 20$24.00, Aug 20 - Aug 23$19.99, Aug 23 - Aug 25$8.11, Aug 23 3:23 am$23.95, Aug 24 - Nov 11$19.99, Aug 23 - Aug 25$9.78, Aug 25 6:31 am$23.95, Aug 24 - Nov 11$19.98, Aug 26 - Aug 27$9.90, Aug 26 - Aug 29$23.95, Aug 24 - Nov 11$19.99, Aug 28 - Aug 31$9.90, Aug 26 - Aug 29$23.95, Aug 24 - Nov 11$18.79, Sep 1 - Sep 3$11.50, Sep 1 - Sep 2$23.95, Aug 24 - Nov 11$19.99, Sep 4 6:52 pm$11.49, Sep 4 6:52 pm$23.95, Aug 24 - Nov 11$11.50, Sep 7 - Sep 9$11.50, Sep 7 3:05 am$23.95, Aug 24 - Nov 11$21.86, Sep 9 - Sep 10$11.50, Sep 7 - Sep 9$23.95, Aug 24 - Nov 11$11.46, Sep 11 9:50 pm$11.45, Sep 11 9:50 pm$23.95, Aug 24 - Nov 11$18.76, Sep 13 - Sep 15$10.98, Sep 14 3:59 am$23.95, Aug 24 - Nov 11$18.76, Sep 17 12:12 pm$9.95, Sep 17 - Sep 18$23.95, Aug 24 - Nov 11$19.00, Sep 19 - Sep 23$3.48, Sep 19 3:41 pm$23.95, Aug 24 - Nov 11$19.00, Sep 19 - Sep 23$9.95, Sep 22 - Sep 23$23.95, Aug 24 - Nov 11$18.99, Sep 24 9:52 am$3.55, Sep 24 9:52 am$23.95, Aug 24 - Nov 11$19.00, Sep 25 - Sep 29$10.92, Sep 26 - Sep 27$23.95, Aug 24 - Nov 11$19.00, Sep 25 - Sep 29$11.37, Sep 29 6:43 pm$23.95, Aug 24 - Nov 11$18.75, Sep 30 - Oct 9$11.49, Oct 1 11:40 pm$23.95, Aug 24 - Nov 11$18.75, Sep 30 - Oct 9$11.36, Oct 4 4:43 am$23.95, Aug 24 - Nov 11$18.75, Sep 30 - Oct 9$10.42, Oct 7 10:28 am$23.95, Aug 24 - Nov 11$18.75, Sep 30 - Oct 9$11.45, Oct 9 2:45 pm$23.95, Aug 24 - Nov 11$16.00, Oct 10 - Oct 11$11.48, Oct 10 - Oct 12$23.95, Aug 24 - Nov 11$15.99, Oct 12 - Oct 25$9.99, Oct 13 - Oct 16$23.95, Aug 24 - Nov 11$15.99, Oct 12 - Oct 25$11.48, Oct 17 - Oct 23$23.95, Aug 24 - Nov 11$15.99, Oct 12 - Oct 25$11.24, Oct 25 7:44 am$23.95, Aug 24 - Nov 11$15.00, Oct 27 7:06 pm$9.70, Oct 27 7:06 pm$23.95, Aug 24 - Nov 11$14.00, Oct 30 - Nov 2$9.85, Oct 30 5:28 pm$23.95, Aug 24 - Nov 11$14.00, Oct 30 - Nov 2$8.84, Nov 2 8:21 am$23.95, Aug 24 - Nov 11$13.98, Nov 5 - Nov 11$8.17, Nov 5 5:22 am$23.95, Aug 24 - Nov 11$13.98, Nov 5 - Nov 11$8.13, Nov 8 7:26 pm$23.95, Aug 24 - Nov 11$13.98, Nov 5 - Nov 11$6.93, Nov 11 10:43 pm$23.71, Nov 14 - Nov 18$12.18, Nov 14 3:30 pm$5.60, Nov 14 3:30 pm$23.71, Nov 14 - Nov 18$4.75, Nov 18 11:13 am$3.25, Nov 18 11:13 am$23.95, Nov 19 - Dec 21$11.95, Nov 21 12:28 am$3.25, Nov 21 12:28 am$23.95, Nov 19 - Dec 21$11.88, Nov 23 - Nov 26$7.50, Nov 22 - Nov 24$23.95, Nov 19 - Dec 21$11.88, Nov 23 - Nov 26$10.98, Nov 26 8:11 am$23.95, Nov 19 - Dec 21$11.89, Nov 27 - Dec 2$11.48, Nov 27 - Dec 1$23.95, Nov 19 - Dec 21$11.88, Dec 3 - Dec 11$8.22, Dec 3 7:41 am$23.95, Nov 19 - Dec 21$11.88, Dec 3 - Dec 11$7.93, Dec 6 7:18 am$23.95, Nov 19 - Dec 21$11.88, Dec 3 - Dec 11$8.17, Dec 7 - Dec 8$23.95, Nov 19 - Dec 21$11.88, Dec 3 - Dec 11$5.62, Dec 10 - Dec 11$23.95, Nov 19 - Dec 21$16.00, Dec 12 - Dec 13$10.94, Dec 13 3:50 pm$23.95, Nov 19 - Dec 21$16.00, Dec 16 - Dec 21$8.93, Dec 16 4:17 pm$23.95, Nov 19 - Dec 21$16.00, Dec 16 - Dec 21$7.29, Dec 18 7:12 pm$23.95, Nov 19 - Dec 21$16.00, Dec 16 - Dec 21$5.64, Dec 21 12:56 pm$23.82, Dec 29 - Dec 31$16.99, Dec 29 - Dec 31$9.44, Dec 30 - Jan 1$23.69, Jan 1 - Jan 8$18.00, Jan 1 - Jan 3$9.43, Jan 3 2:45 am$23.69, Jan 1 - Jan 8$18.00, Jan 4 - Jan 10$9.41, Jan 5 - Jan 7$23.69, Jan 1 - Jan 8$18.00, Jan 4 - Jan 10$11.48, Jan 8 - Jan 9$23.57, Jan 8 - Jan 15$15.98, Jan 10 10:24 pm$11.50, Jan 10 - Jan 13$23.57, Jan 8 - Jan 15$11.50, Jan 10 - Jan 13$10.00, Jan 12 - Jan 13$23.57, Jan 8 - Jan 15$17.95, Jan 14 - Jan 16$14.02, Jan 15 12:58 pm$23.45, Jan 16 - Jan 22$12.99, Jan 17 - Jan 18$10.98, Jan 18 4:45 am$23.45, Jan 16 - Jan 22$18.00, Jan 19 - Jan 21$10.20, Jan 20 5:55 pm$23.33, Jan 23 - Jan 24$23.16, Jan 23 - Jan 24$10.00, Jan 23 8:23 am$23.21, Jan 25 - Jan 31$19.21, Jan 25 - Jan 29$9.95, Jan 25 10:23 pm$23.21, Jan 25 - Jan 31$19.21, Jan 25 - Jan 29$10.04, Jan 26 - Jan 28$23.21, Jan 25 - Jan 31$22.40, Jan 30 - Jan 31$10.03, Jan 29 - Jan 30$23.09, Feb 1 - Feb 4$18.98, Feb 1 - Feb 2$8.00, Feb 2 3:30 am$23.69, Feb 4 - Feb 23$17.99, Feb 4 - Feb 6$12.00, Feb 4 11:28 pm$23.69, Feb 4 - Feb 23$17.99, Feb 4 - Feb 6$11.98, Feb 5 - Feb 10$23.69, Feb 4 - Feb 23$17.96, Feb 9 - Feb 11$11.98, Feb 5 - Feb 10$23.69, Feb 4 - Feb 23$17.97, Feb 12 - Feb 15$9.98, Feb 11 - Feb 12$23.69, Feb 4 - Feb 23$17.97, Feb 12 - Feb 15$14.64, Feb 14 5:26 am$23.69, Feb 4 - Feb 23$17.96, Feb 16 - Feb 18$13.80, Feb 17 - Feb 18$23.69, Feb 4 - Feb 23$13.99, Feb 19 - Feb 20$13.76, Feb 20 2:35 am$23.69, Feb 4 - Feb 23$13.88, Feb 22 - Feb 24$13.48, Feb 22 1:57 am$24.50, Feb 24 - Mar 2$18.00, Feb 25 - Mar 2$9.92, Feb 25 12:38 am$24.50, Feb 24 - Mar 2$18.00, Feb 25 - Mar 2$9.86, Feb 27 12:45 pm$24.50, Feb 24 - Mar 2$18.00, Feb 25 - Mar 2$9.77, Mar 1 12:32 pm$24.25, Mar 4 - Mar 10$17.84, Mar 4 - Mar 5$9.63, Mar 4 1:46 am$24.25, Mar 4 - Mar 10$17.85, Mar 6 - Mar 10$9.37, Mar 7 4:42 am$24.25, Mar 4 - Mar 10$17.85, Mar 6 - Mar 10$9.29, Mar 9 5:56 am$24.00, Mar 11 - Mar 16$20.86, Mar 11 - Mar 23$9.25, Mar 11 1:08 pm$24.00, Mar 11 - Mar 16$20.86, Mar 11 - Mar 23$9.97, Mar 13 9:40 pm$24.00, Mar 11 - Mar 16$20.86, Mar 11 - Mar 23$9.99, Mar 16 4:11 pm$24.23, Mar 17 - Mar 23$20.86, Mar 11 - Mar 23$13.35, Mar 17 - Mar 19$24.23, Mar 17 - Mar 23$20.86, Mar 11 - Mar 23$12.47, Mar 21 7:55 am$24.23, Mar 17 - Mar 23$20.86, Mar 11 - Mar 23$12.45, Mar 22 - Mar 23$24.47, Mar 24 - Apr 1$19.99, Mar 24 - Mar 28$11.06, Mar 27 - Mar 28$24.47, Mar 24 - Apr 1$17.98, Mar 29 - Apr 3$10.94, Mar 29 3:16 pm$24.47, Mar 24 - Apr 1$17.98, Mar 29 - Apr 3$10.34, Apr 1 2:04 am$24.71, Apr 2 - Apr 7$17.98, Mar 29 - Apr 3$8.46, Apr 3 6:35 pm$24.71, Apr 2 - Apr 7$16.98, Apr 5 - Apr 7$8.25, Apr 5 2:35 am$24.71, Apr 2 - Apr 7$16.98, Apr 5 - Apr 7$7.70, Apr 7 7:08 pm$24.95, Apr 9 - Apr 16$16.59, Apr 9 - Apr 13$7.35, Apr 10 1:10 pm$24.95, Apr 9 - Apr 16$16.59, Apr 9 - Apr 13$6.64, Apr 13 11:34 am$24.95, Apr 9 - Apr 16$9.86, Apr 16 7:47 am$5.58, Apr 16 7:47 am$24.69, Apr 17 - Apr 23$6.39, Apr 17 2:35 pm$4.06, Apr 17 2:35 pm$24.69, Apr 17 - Apr 23$6.24, Apr 20 7:31 am$1.64, Apr 20 7:31 am$24.69, Apr 17 - Apr 23$6.09, Apr 23 2:00 am$1.22, Apr 23 2:00 am$24.83, Apr 26 - May 3$18.00, Apr 26 - Apr 27$0.88, Apr 26 1:39 am$24.83, Apr 26 - May 3$18.00, Apr 26 - Apr 27$0.77, Apr 27 3:15 pm$24.83, Apr 26 - May 3$19.99, Apr 29 - May 9$0.68, Apr 30 2:10 pm$24.83, Apr 26 - May 3$19.99, Apr 29 - May 9$1.25, May 3 - May 4$25.07, May 4 - May 7$19.99, Apr 29 - May 9$1.96, May 6 2:31 am$25.07, May 4 - May 7$19.99, Apr 29 - May 9$2.50, May 7 5:56 pm$24.81, May 9 - May 14$19.99, Apr 29 - May 9$2.49, May 9 6:47 pm$24.81, May 9 - May 14$19.49, May 13 5:09 am$4.40, May 13 5:09 am$24.81, May 9 - May 14$17.64, May 14 9:12 pm$2.73, May 14 9:12 pm$24.56, May 16 - May 18$14.91, May 18 - May 21$4.98, May 18 7:37 pm$25.60, May 21 - Jun 18$14.91, May 18 - May 21$1.36, May 21 12:47 am$25.60, May 21 - Jun 18$14.05, May 23 4:02 am$2.74, May 23 4:02 am$25.60, May 21 - Jun 18$12.87, May 25 - May 29$1.29, May 25 5:42 am$25.60, May 21 - Jun 18$12.87, May 25 - May 29$3.10, May 27 10:49 am$25.60, May 21 - Jun 18$12.87, May 25 - May 29$3.30, May 29 5:37 pm$25.60, May 21 - Jun 18$12.77, Jun 1 2:09 am$3.07, Jun 1 2:09 am$25.60, May 21 - Jun 18$12.87, Jun 3 - Jun 5$3.32, Jun 3 10:56 am$25.60, May 21 - Jun 18$12.38, Jun 8 2:10 am$5.49, Jun 5 - Jun 8$25.60, May 21 - Jun 18$12.00, Jun 10 - Jun 14$5.45, Jun 10 5:59 am$25.60, May 21 - Jun 18$12.00, Jun 10 - Jun 14$2.96, Jun 12 5:49 am$25.60, May 21 - Jun 18$12.00, Jun 10 - Jun 14$2.86, Jun 14 4:28 am$25.60, May 21 - Jun 18$14.01, Jun 16 - Jun 18$5.00, Jun 16 - Jun 18$25.34, Jun 19 - Jun 25$16.46, Jun 19 - Jun 23$5.49, Jun 19 10:41 pm$25.34, Jun 19 - Jun 25$16.46, Jun 19 - Jun 23$5.48, Jun 21 - Jun 25$25.08, Jun 27 - Jul 3$16.00, Jun 27 - Jun 29$5.24, Jun 27 4:10 pm$25.08, Jun 27 - Jul 3$16.00, Jun 27 - Jun 29$4.82, Jun 29 6:11 pm$25.08, Jun 27 - Jul 3$5.99, Jul 1 8:07 pm$3.99, Jul 1 8:07 pm$25.08, Jun 27 - Jul 3$17.08, Jul 3 11:37 pm$3.64, Jul 3 11:37 pm$24.82, Jul 6 - Jul 11$16.32, Jul 6 - Jul 8$3.45, Jul 6 3:53 am$24.82, Jul 6 - Jul 11$16.32, Jul 6 - Jul 8$3.65, Jul 8 - Jul 11$24.82, Jul 6 - Jul 11$16.28, Jul 11 12:48 pm$3.65, Jul 8 - Jul 11$25.06, Jul 13 - Jul 19$16.16, Jul 15 - Jul 17$3.46, Jul 13 - Jul 15$25.06, Jul 13 - Jul 19$16.16, Jul 15 - Jul 17$3.28, Jul 17 1:37 pm$25.06, Jul 13 - Jul 19$21.99, Jul 19 12:21 pm$3.12, Jul 19 12:21 pmOOS $25.18, Jul 23 - Jul 26$16.75, Jul 23 4:52 am$2.79, Jul 23 4:52 amOOS $25.18, Jul 23 - Jul 26$13.84, Jul 25 12:25 am$2.95, Jul 25 12:25 amOOS $25.18, Jul 23 - Jul 26$13.60, Jul 26 8:19 pm$2.94, Jul 26 8:19 pm$24.92, Jul 30 - Aug 3$13.67, Jul 30 11:43 am$3.87, Jul 30 - Aug 3$24.92, Jul 30 - Aug 3$13.63, Aug 1 7:58 am$3.87, Jul 30 - Aug 3$24.92, Jul 30 - Aug 3$9.99, Aug 3 3:52 am$3.87, Jul 30 - Aug 3$24.17, Aug 5 - Aug 10$8.43, Aug 6 9:00 pm$3.85, Aug 5 - Aug 10$24.17, Aug 5 - Aug 10$8.36, Aug 8 6:37 pm$3.85, Aug 5 - Aug 10$24.17, Aug 5 - Aug 10$8.34, Aug 10 5:34 pm$3.85, Aug 5 - Aug 10$23.20, Aug 12 - Aug 16$8.45, Aug 14 - Aug 16$4.05, Aug 12 - Aug 18$22.69, Aug 18 - Sep 22$8.44, Aug 18 - Aug 22$4.05, Aug 12 - Aug 18$22.69, Aug 18 - Sep 22$8.44, Aug 18 - Aug 22$4.45, Aug 22 - Aug 28$22.69, Aug 18 - Sep 22$8.38, Aug 24 5:44 am$4.45, Aug 22 - Aug 28$22.69, Aug 18 - Sep 22$8.44, Aug 26 5:50 am$4.45, Aug 22 - Aug 28$22.69, Aug 18 - Sep 22$8.39, Aug 28 5:53 am$4.45, Aug 22 - Aug 28$22.69, Aug 18 - Sep 22$8.36, Aug 30 - Sep 1$4.44, Aug 30 - Sep 1$22.69, Aug 18 - Sep 22$11.78, Sep 3 - Sep 7$4.45, Sep 3 3:47 am$22.69, Aug 18 - Sep 22$11.78, Sep 3 - Sep 7$4.42, Sep 5 3:05 am$22.69, Aug 18 - Sep 22$11.78, Sep 3 - Sep 7$4.45, Sep 7 2:46 am$22.69, Aug 18 - Sep 22$11.79, Sep 9 - Sep 16$4.94, Sep 11 2:00 am$22.69, Aug 18 - Sep 22$11.79, Sep 9 - Sep 16$6.93, Sep 13 1:14 am$22.69, Aug 18 - Sep 22$11.79, Sep 9 - Sep 16$6.92, Sep 15 12:17 am$22.69, Aug 18 - Sep 22$11.68, Sep 18 - Sep 20$6.06, Sep 18 10:36 pm$22.69, Aug 18 - Sep 22$11.68, Sep 18 - Sep 20$5.35, Sep 20 10:06 pm$22.69, Aug 18 - Sep 22$11.69, Sep 22 10:10 pm$4.95, Sep 22 10:10 pm$22.93, Sep 24 - Sep 28$11.40, Sep 24 10:17 pm$4.50, Sep 24 10:17 pm$22.93, Sep 24 - Sep 28$9.28, Sep 28 9:52 pm$4.13, Sep 26 - Sep 28$23.18, Sep 30 - Oct 21$10.25, Sep 30 - Oct 9$4.03, Sep 30 10:23 pm$23.18, Sep 30 - Oct 21$10.25, Sep 30 - Oct 9$3.76, Oct 2 11:45 pm$23.18, Sep 30 - Oct 21$10.25, Sep 30 - Oct 9$3.03, Oct 5 1:47 am$23.18, Sep 30 - Oct 21$10.25, Sep 30 - Oct 9$2.26, Oct 7 3:59 am$23.18, Sep 30 - Oct 21$15.00, Oct 11 - Oct 19$1.99, Oct 11 9:07 am$23.18, Sep 30 - Oct 21$15.00, Oct 11 - Oct 19$1.82, Oct 13 9:54 am$23.18, Sep 30 - Oct 21$15.00, Oct 11 - Oct 19$1.73, Oct 15 9:52 am$23.18, Sep 30 - Oct 21$15.00, Oct 11 - Oct 19$1.60, Oct 17 9:46 am$23.18, Sep 30 - Oct 21$10.00, Oct 21 8:40 am$0.97, Oct 21 8:40 am$23.41, Oct 23 - Oct 27$15.00, Oct 23 - Nov 2$1.00, Oct 23 8:11 am$23.41, Oct 23 - Oct 27$15.00, Oct 23 - Nov 2$1.96, Oct 25 7:15 am$23.41, Oct 23 - Oct 27$15.00, Oct 23 - Nov 2$3.99, Oct 27 6:52 am$23.64, Oct 29 - Nov 4$15.00, Oct 23 - Nov 2$5.30, Oct 31 7:39 am$23.64, Oct 29 - Nov 4$15.00, Oct 23 - Nov 2$5.27, Nov 2 7:40 am$23.64, Oct 29 - Nov 4$18.92, Nov 4 8:50 am$5.59, Nov 4 8:50 am$23.87, Nov 6 - Nov 10$17.73, Nov 6 11:05 am$6.24, Nov 6 11:05 am$23.87, Nov 6 - Nov 10$14.50, Nov 10 3:26 pm$5.26, Nov 10 3:26 pm$24.10, Nov 12 - Nov 16$12.99, Nov 12 - Nov 14$5.12, Nov 12 5:38 pm$24.10, Nov 12 - Nov 16$12.99, Nov 12 - Nov 14$6.27, Nov 14 7:17 pm$24.10, Nov 12 - Nov 16$12.75, Nov 16 11:35 pm$4.00, Nov 16 11:35 pm$24.34, Nov 19 - Nov 25$12.58, Nov 19 5:11 am$6.17, Nov 19 5:11 am$24.34, Nov 19 - Nov 25$11.99, Nov 21 10:36 am$6.30, Nov 21 10:36 am$24.34, Nov 19 - Nov 25$11.25, Nov 23 4:25 pm$5.99, Nov 23 4:25 pm$24.58, Nov 28 - Dec 3$10.25, Nov 28 6:46 am$5.58, Nov 28 6:46 am$24.58, Nov 28 - Dec 3$9.68, Nov 30 5:04 pm$5.63, Nov 30 5:04 pm$24.58, Nov 28 - Dec 3$9.76, Dec 3 4:18 am$5.58, Dec 3 4:18 am$24.33, Dec 5 - Dec 23$10.17, Dec 5 3:42 pm$5.43, Dec 5 3:42 pm$24.33, Dec 5 - Dec 23$7.50, Dec 8 3:35 am$5.30, Dec 8 3:35 am$24.33, Dec 5 - Dec 23$10.11, Dec 10 5:59 pm$5.23, Dec 10 5:59 pm$24.33, Dec 5 - Dec 23$10.12, Dec 13 7:59 am$4.94, Dec 13 7:59 am$24.33, Dec 5 - Dec 23$10.29, Dec 15 9:30 pm$4.87, Dec 15 9:30 pm$24.33, Dec 5 - Dec 23$9.75, Dec 18 11:59 am$6.23, Dec 18 11:59 am$24.33, Dec 5 - Dec 23$8.50, Dec 21 12:09 am$6.38, Dec 21 12:09 am$24.33, Dec 5 - Dec 23$8.25, Dec 23 - Dec 26$6.30, Dec 23 11:37 am$23.60, Dec 26 - Dec 31$8.25, Dec 23 - Dec 26$5.53, Dec 26 7:55 am$23.60, Dec 26 - Dec 31$7.96, Dec 28 9:24 pm$4.83, Dec 28 9:24 pm$23.60, Dec 26 - Dec 31$8.99, Dec 31 5:55 am$4.56, Dec 31 5:55 am$22.93, Jan 2 - Jan 20$10.12, Jan 2 4:25 pm$4.54, Jan 2 4:25 pm$22.93, Jan 2 - Jan 20$10.09, Jan 5 2:07 am$4.27, Jan 5 2:07 am$22.93, Jan 2 - Jan 20$15.99, Jan 7 - Jan 17$4.14, Jan 7 1:39 pm$22.93, Jan 2 - Jan 20$15.99, Jan 7 - Jan 17$4.02, Jan 10 1:05 am$22.93, Jan 2 - Jan 20$15.99, Jan 7 - Jan 17$3.89, Jan 12 1:25 pm$22.93, Jan 2 - Jan 20$15.99, Jan 7 - Jan 17$3.70, Jan 15 1:34 am$22.93, Jan 2 - Jan 20$15.99, Jan 7 - Jan 17$2.92, Jan 17 2:16 pm$22.93, Jan 2 - Jan 20$15.49, Jan 20 - Jan 22$2.00, Jan 20 3:17 am$23.43, Jan 22 - Feb 7$15.49, Jan 20 - Jan 22$4.26, Jan 22 4:40 pm$23.43, Jan 22 - Feb 7$10.81, Jan 25 - Jan 27$4.14, Jan 25 5:55 am$23.43, Jan 22 - Feb 7$10.81, Jan 25 - Jan 27$6.20, Jan 27 8:04 pm$23.43, Jan 22 - Feb 7$15.25, Jan 30 8:50 am$6.14, Jan 30 8:50 am$23.43, Jan 22 - Feb 7$15.19, Feb 1 - Feb 4$5.00, Feb 1 9:18 pm$23.43, Jan 22 - Feb 7$15.19, Feb 1 - Feb 4$6.75, Feb 4 11:25 am$23.43, Jan 22 - Feb 7$11.90, Feb 7 1:29 am$6.73, Feb 7 1:29 amOOS $23.43, Feb 9 3:35 pm$12.20, Feb 9 - Feb 20$6.68, Feb 9 3:35 pm$23.43, Feb 12 - Mar 16$12.20, Feb 9 - Feb 20$6.69, Feb 12 6:18 am$23.43, Feb 12 - Mar 16$12.20, Feb 9 - Feb 20$6.66, Feb 14 11:05 pm$23.43, Feb 12 - Mar 16$12.20, Feb 9 - Feb 20$6.72, Feb 17 5:00 pm$23.43, Feb 12 - Mar 16$12.20, Feb 9 - Feb 20$6.73, Feb 20 10:02 am$23.43, Feb 12 - Mar 16$11.99, Feb 23 - Mar 4$6.74, Feb 23 5:57 am$23.43, Feb 12 - Mar 16$11.99, Feb 23 - Mar 4$6.75, Feb 26 - Mar 10$23.43, Feb 12 - Mar 16$12.20, Mar 10 6:32 am$6.75, Feb 26 - Mar 10$23.43, Feb 12 - Mar 16$11.14, Mar 16 6:14 am$5.23, Mar 16 6:14 am$22.93, Mar 22 - Apr 2$11.16, Mar 22 6:09 am$1.49, Mar 22 6:09 am$22.93, Mar 22 - Apr 2$11.15, Mar 28 3:00 am$4.47, Mar 28 3:00 am$22.93, Mar 22 - Apr 2$11.16, Apr 2 11:42 pm$3.72, Apr 2 11:42 pm$23.43, Apr 8 - Apr 20$11.15, Apr 8 7:03 pm$3.15, Apr 8 7:03 pm$23.43, Apr 8 - Apr 20$10.98, Apr 14 - Apr 20$2.97, Apr 14 4:31 pm$23.43, Apr 8 - Apr 20$10.98, Apr 14 - Apr 20$6.13, Apr 20 4:28 pm 8,468201,898 234,375 156,250 78,125 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $23.43 1 day ago
Highest $25.60 May 21, '15
Lowest $22.69 Aug 18, '15
Average $23.13 (30d avg)
$23.33 (90d avg)
$23.58 (180d avg)
$23.91 (365d avg)
$24.06 (Lifetime average)
Added Sep 9, 2013

3rd Party New

Latest $10.98 1 day ago
Highest $23.16 Jan 23, '15
Lowest $4.41 May 28, '14
Average $11.12 (30d avg)
$12.04 (90d avg)
$12.17 (180d avg)
$12.72 (365d avg)
$14.33 (Lifetime average)
Added Sep 9, 2013

3rd Party Used

Latest $6.13 1 day ago
Highest $14.64 Feb 14, '15
Lowest $0.68 Apr 30, '15
Average $3.16 (30d avg)
$5.22 (90d avg)
$5.06 (180d avg)
$4.33 (365d avg)
$6.16 (Lifetime average)
Added Sep 9, 2013

Sales Rank

30 day average: 53,166
90 day average: 42,305

Product Description

is intended to help education leaders and practitioners develop a shared understanding of what high-quality instruction looks like and what schools and districts need to do to support it.

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