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Buy from Amazon $31.65$2.41 $37.50 $25.00 $12.50 $0.00 Apr Jul Oct Jan Apr Jul Oct Jan Apr Jul 2014 2015 2016 $20.21, Jan 27 - Feb 7$20.55, Feb 8 - Feb 28$20.88, Mar 1 - Mar 22$21.21, Mar 23 - Apr 2$21.53, Apr 3 - Apr 22$21.84, Apr 23 - Jun 5$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$11.88, May 4 10:50 pm$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$11.51, May 7 1:54 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$11.28, May 9 2:40 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$11.13, May 11 10:06 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.98, May 13 4:21 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.86, May 15 5:54 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.70, May 17 6:22 pm$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.50, May 19 8:28 pm$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.38, May 21 5:00 pm$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$10.14, May 24 4:52 am$21.84, Apr 23 - Jun 5$17.27, May 3 - May 30$9.99, May 26 4:03 am$21.84, Apr 23 - Jun 5$17.35, May 27 - May 30$17.27, May 3 - May 30$21.84, Apr 23 - Jun 5$21.49, Jun 1 12:47 pm$20.25, May 31 - Jun 11$21.84, Apr 23 - Jun 5$21.83, Jun 2 - Jun 13$20.25, May 31 - Jun 11$22.12, Jun 7 - Jun 24$21.83, Jun 2 - Jun 13$20.25, May 31 - Jun 11$22.12, Jun 7 - Jun 24$21.83, Jun 2 - Jun 13$16.25, Jun 12 - Jun 18$22.12, Jun 7 - Jun 24$17.30, Jun 13 - Jun 14$16.25, Jun 12 - Jun 18$22.12, Jun 7 - Jun 24$18.06, Jun 16 8:23 pm$16.25, Jun 12 - Jun 18$22.12, Jun 7 - Jun 24$18.02, Jun 18 8:04 am$16.25, Jun 12 - Jun 18$22.12, Jun 7 - Jun 24$17.98, Jun 20 3:57 pm$17.34, Jun 19 - Jun 20$22.12, Jun 7 - Jun 24$17.92, Jun 22 9:43 pm$17.89, Jun 22 - Jun 23$22.39, Jun 25 - Jul 1$17.30, Jun 24 - Jun 26$17.28, Jun 25 5:00 am$22.39, Jun 25 - Jul 1$17.29, Jun 27 1:31 pm$17.25, Jun 27 - Jun 28$22.39, Jun 25 - Jul 1$17.30, Jun 28 - Jun 29$17.26, Jun 29 2:47 am$22.39, Jun 25 - Jul 1$17.30, Jul 1 - Jul 4$17.27, Jul 1 8:37 pm$22.49, Jul 3 - Nov 3$17.30, Jul 1 - Jul 4$17.22, Jul 3 1:41 am$22.49, Jul 3 - Nov 3$17.29, Jul 5 - Jul 6$17.22, Jul 5 9:39 am$22.49, Jul 3 - Nov 3$17.30, Jul 7 11:19 pm$17.07, Jul 7 11:19 pm$22.49, Jul 3 - Nov 3$17.90, Jul 10 10:03 am$17.83, Jul 10 10:03 am$22.49, Jul 3 - Nov 3$17.89, Jul 11 - Jul 16$17.77, Jul 11 2:43 pm$22.49, Jul 3 - Nov 3$17.89, Jul 11 - Jul 16$17.67, Jul 14 5:44 am$22.49, Jul 3 - Nov 3$17.89, Jul 11 - Jul 16$17.61, Jul 15 2:17 pm$22.49, Jul 3 - Nov 3$17.90, Jul 17 11:19 pm$17.53, Jul 17 11:19 pm$22.49, Jul 3 - Nov 3$17.89, Jul 19 - Jul 29$17.47, Jul 20 7:12 am$22.49, Jul 3 - Nov 3$17.89, Jul 19 - Jul 29$17.42, Jul 22 3:17 pm$22.49, Jul 3 - Nov 3$17.89, Jul 19 - Jul 29$17.31, Jul 25 9:02 am$22.49, Jul 3 - Nov 3$17.89, Jul 19 - Jul 29$17.23, Jul 27 4:29 am$22.49, Jul 3 - Nov 3$17.89, Jul 19 - Jul 29$17.17, Jul 28 10:41 pm$22.49, Jul 3 - Nov 3$17.80, Jul 31 1:02 pm$17.07, Jul 31 1:02 pm$22.49, Jul 3 - Nov 3$17.81, Aug 2 7:42 am$17.01, Aug 2 7:42 am$22.49, Jul 3 - Nov 3$17.78, Aug 5 3:20 am$16.89, Aug 5 3:20 am$22.49, Jul 3 - Nov 3$17.71, Aug 6 9:28 am$16.85, Aug 6 9:28 am$22.49, Jul 3 - Nov 3$17.58, Aug 8 - Aug 9$16.73, Aug 9 10:38 am$22.49, Jul 3 - Nov 3$17.48, Aug 11 10:44 am$16.66, Aug 11 10:44 am$22.49, Jul 3 - Nov 3$17.45, Aug 13 8:12 am$16.59, Aug 13 8:12 am$22.49, Jul 3 - Nov 3$17.43, Aug 14 - Aug 15$16.56, Aug 15 - Aug 16$22.49, Jul 3 - Nov 3$17.37, Aug 17 9:24 am$16.55, Aug 17 9:24 am$22.49, Jul 3 - Nov 3$17.36, Aug 19 1:05 pm$16.47, Aug 19 1:05 pm$22.49, Jul 3 - Nov 3$17.36, Aug 21 2:42 pm$16.41, Aug 21 2:42 pm$22.49, Jul 3 - Nov 3$17.33, Aug 23 2:46 pm$16.33, Aug 23 2:46 pm$22.49, Jul 3 - Nov 3$17.29, Aug 24 - Sep 26$16.25, Aug 26 12:09 am$22.49, Jul 3 - Nov 3$17.29, Aug 24 - Sep 26$17.28, Aug 28 - Aug 31$22.49, Jul 3 - Nov 3$17.29, Aug 24 - Sep 26$17.25, Sep 1 6:20 pm$22.49, Jul 3 - Nov 3$17.29, Aug 24 - Sep 26$17.28, Sep 2 - Sep 26$22.49, Jul 3 - Nov 3$17.26, Sep 28 10:04 pm$17.19, Sep 28 10:04 pm$22.49, Jul 3 - Nov 3$17.53, Sep 30 11:32 pm$17.52, Sep 30 11:32 pm$22.49, Jul 3 - Nov 3$17.71, Oct 3 - Oct 5$17.70, Oct 3 - Oct 5$22.49, Jul 3 - Nov 3$17.66, Oct 8 9:30 am$17.65, Oct 8 9:30 am$22.49, Jul 3 - Nov 3$17.62, Oct 10 12:35 pm$17.62, Oct 10 12:35 pm$22.49, Jul 3 - Nov 3$17.61, Oct 12 2:36 pm$17.61, Oct 12 - Oct 28$22.49, Jul 3 - Nov 3$17.61, Oct 12 - Oct 28$17.60, Oct 14 - Oct 16$22.49, Jul 3 - Nov 3$17.65, Oct 19 - Oct 28$17.61, Oct 12 - Oct 28$22.49, Jul 3 - Nov 3$17.61, Nov 3 6:31 am$17.56, Nov 3 6:31 am$22.26, Nov 9 - Nov 26$17.55, Nov 9 1:29 pm$17.50, Nov 9 1:29 pm$22.26, Nov 9 - Nov 26$17.49, Nov 12 9:19 am$17.44, Nov 12 9:19 am$22.26, Nov 9 - Nov 26$17.45, Nov 15 4:54 am$17.40, Nov 15 4:54 am$22.26, Nov 9 - Nov 26$17.41, Nov 17 6:32 am$17.35, Nov 17 6:32 am$22.26, Nov 9 - Nov 26$17.37, Nov 19 11:33 pm$17.32, Nov 19 11:33 pm$22.26, Nov 9 - Nov 26$17.35, Nov 22 - Dec 15$17.29, Nov 22 - Dec 13$22.10, Nov 27 - Dec 13$17.35, Nov 22 - Dec 15$17.29, Nov 22 - Dec 13$21.94, Dec 15 - Jan 1$17.35, Nov 22 - Dec 15$17.30, Dec 15 2:58 pm$21.94, Dec 15 - Jan 1$17.99, Dec 17 - Jan 1$17.94, Dec 17 - Jan 1$21.78, Jan 11 - Jan 24$18.52, Jan 11 12:16 pm$17.93, Jan 11 12:16 pm$31.49, Jan 14 3:01 pm$21.78, Jan 11 - Jan 24$19.66, Jan 12 - Jan 14$31.16, Jan 16 7:10 am$21.78, Jan 11 - Jan 24$21.48, Jan 16 - Jan 22$30.87, Jan 18 12:36 am$21.78, Jan 11 - Jan 24$21.48, Jan 16 - Jan 22$30.42, Jan 21 5:58 am$21.78, Jan 11 - Jan 24$21.48, Jan 16 - Jan 22$30.27, Jan 22 8:42 pm$21.78, Jan 11 - Jan 24$21.48, Jan 16 - Jan 22$30.12, Jan 24 11:29 am$21.78, Jan 11 - Jan 24$21.54, Jan 24 11:29 am$29.97, Jan 26 4:02 am$20.46, Jan 26 4:02 am$20.46, Jan 26 4:02 am$29.07, Jan 28 6:26 pm$20.50, Jan 28 - Jan 30$20.45, Jan 28 6:26 pm$28.77, Jan 30 1:05 pm$20.50, Jan 28 - Jan 30$19.67, Jan 30 1:05 pm$20.68, Feb 1 - Feb 8$20.05, Feb 1 - Feb 8$19.66, Feb 1 - Feb 19$22.49, Feb 10 - Feb 12$19.66, Feb 1 - Feb 19$19.64, Feb 10 7:45 am$22.49, Feb 10 - Feb 12$19.66, Feb 1 - Feb 19$19.61, Feb 12 - Feb 15$22.33, Feb 13 - Mar 2$19.66, Feb 1 - Feb 19$19.61, Feb 12 - Feb 15$22.33, Feb 13 - Mar 2$19.66, Feb 1 - Feb 19$18.33, Feb 17 5:06 pm$22.33, Feb 13 - Mar 2$19.66, Feb 1 - Feb 19$18.30, Feb 19 2:41 pm$22.33, Feb 13 - Mar 2$18.33, Feb 21 - Mar 17$12.45, Feb 21 12:25 pm$22.33, Feb 13 - Mar 2$18.33, Feb 21 - Mar 17$12.44, Feb 23 10:15 am$22.33, Feb 13 - Mar 2$18.33, Feb 21 - Mar 17$12.42, Feb 25 7:59 am$22.33, Feb 13 - Mar 2$18.33, Feb 21 - Mar 17$12.37, Feb 28 5:58 am$22.33, Feb 13 - Mar 2$18.33, Feb 21 - Mar 17$12.34, Mar 2 11:31 pm$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.32, Mar 4 8:29 pm$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.26, Mar 6 7:39 pm$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.24, Mar 7 8:27 pm$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.18, Mar 10 1:05 am$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.14, Mar 12 8:07 am$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.09, Mar 14 3:28 pm$22.49, Mar 4 - Apr 8$18.33, Feb 21 - Mar 17$12.03, Mar 17 11:07 am$22.49, Mar 4 - Apr 8$18.37, Mar 19 6:42 pm$11.95, Mar 19 6:42 pm$22.49, Mar 4 - Apr 8$18.36, Mar 22 - Mar 26$11.90, Mar 22 12:43 am$22.49, Mar 4 - Apr 8$18.36, Mar 22 - Mar 26$11.83, Mar 24 8:06 am$22.49, Mar 4 - Apr 8$18.36, Mar 22 - Mar 26$11.76, Mar 26 4:03 pm$22.49, Mar 4 - Apr 8$18.46, Mar 29 12:04 am$11.69, Mar 29 12:04 am$22.49, Mar 4 - Apr 8$18.45, Mar 31 - Apr 3$11.64, Mar 31 8:16 am$22.49, Mar 4 - Apr 8$18.45, Mar 31 - Apr 3$11.56, Apr 3 12:52 am$22.49, Mar 4 - Apr 8$18.44, Apr 5 - Apr 11$11.50, Apr 5 3:02 pm$22.49, Mar 4 - Apr 8$18.44, Apr 5 - Apr 11$11.41, Apr 8 5:48 am$22.33, Apr 11 - Apr 24$18.44, Apr 5 - Apr 11$11.27, Apr 11 1:15 am$22.33, Apr 11 - Apr 24$21.48, Apr 13 6:43 pm$11.18, Apr 13 6:43 pm$22.33, Apr 11 - Apr 24$18.33, Apr 16 11:40 am$11.07, Apr 16 11:40 am$22.33, Apr 11 - Apr 24$18.32, Apr 19 - Apr 24$11.01, Apr 19 4:29 am$22.33, Apr 11 - Apr 24$18.32, Apr 19 - Apr 24$4.48, Apr 21 8:01 pm$22.33, Apr 11 - Apr 24$18.32, Apr 19 - Apr 24$2.82, Apr 24 2:47 pm$22.33, Apr 26 1:36 am$18.32, Apr 26 - Jun 17$2.74, Apr 26 1:36 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$2.53, Apr 29 1:26 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$2.58, May 1 8:47 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$2.41, May 4 11:15 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$12.85, May 7 2:18 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$12.99, May 11 8:43 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$4.02, May 14 - May 18$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$12.99, May 22 10:44 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$12.71, May 27 6:25 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$12.99, May 31 8:19 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$18.27, Jun 5 11:10 am$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$18.14, Jun 9 4:50 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$18.04, Jun 13 3:17 pm$22.49, Apr 29 - Jul 7$18.32, Apr 26 - Jun 17$17.97, Jun 17 7:50 am$22.49, Apr 29 - Jul 7$21.48, Jun 21 - Jul 3$17.87, Jun 21 3:00 am$22.49, Apr 29 - Jul 7$21.48, Jun 21 - Jul 3$17.75, Jun 24 9:48 pm$22.49, Apr 29 - Jul 7$21.48, Jun 21 - Jul 3$17.68, Jun 29 12:07 am$22.49, Apr 29 - Jul 7$21.48, Jun 21 - Jul 3$17.57, Jul 3 3:07 am$22.49, Apr 29 - Jul 7$18.49, Jul 7 9:22 am$17.50, Jul 7 9:22 am$20.21, Jul 12 - Jul 16$18.31, Jul 12 - Aug 7$16.18, Jul 12 8:24 pm$20.21, Jul 12 - Jul 16$18.31, Jul 12 - Aug 7$16.09, Jul 16 12:26 pm$22.33, Jul 20 - Jul 23$18.31, Jul 12 - Aug 7$15.94, Jul 20 4:51 am$22.33, Jul 20 - Jul 23$18.31, Jul 12 - Aug 7$15.83, Jul 23 5:36 pm$22.17, Jul 27 - Aug 14$18.31, Jul 12 - Aug 7$15.77, Jul 27 7:28 am$22.17, Jul 27 - Aug 14$18.31, Jul 12 - Aug 7$15.68, Jul 30 9:29 pm$22.17, Jul 27 - Aug 14$18.31, Jul 12 - Aug 7$15.62, Aug 3 11:02 am$22.17, Jul 27 - Aug 14$18.31, Jul 12 - Aug 7$15.49, Aug 7 2:13 am$22.17, Jul 27 - Aug 14$18.17, Aug 10 - Aug 14$15.42, Aug 10 10:31 pm$22.17, Jul 27 - Aug 14$18.17, Aug 10 - Aug 14$15.37, Aug 14 5:04 pm$22.01, Aug 18 - Sep 2$18.01, Aug 18 - Sep 2$14.81, Aug 18 10:15 am$22.01, Aug 18 - Sep 2$18.01, Aug 18 - Sep 2$13.59, Aug 22 4:35 am$22.01, Aug 18 - Sep 2$18.01, Aug 18 - Sep 2$12.70, Aug 25 11:02 pm$22.01, Aug 18 - Sep 2$18.01, Aug 18 - Sep 2$12.10, Aug 29 5:11 pm$22.01, Aug 18 - Sep 2$18.01, Aug 18 - Sep 2$11.35, Sep 2 11:25 am$21.85, Sep 6 - Sep 18$17.85, Sep 6 - Sep 14$10.95, Sep 6 9:29 am$21.85, Sep 6 - Sep 18$17.85, Sep 6 - Sep 14$10.65, Sep 10 7:34 am$21.85, Sep 6 - Sep 18$17.85, Sep 6 - Sep 14$10.40, Sep 14 3:49 am$21.85, Sep 6 - Sep 18$18.48, Sep 18 - Oct 3$10.25, Sep 18 12:55 am$22.19, Sep 21 - Oct 12$18.48, Sep 18 - Oct 3$10.00, Sep 21 10:53 pm$22.19, Sep 21 - Oct 12$18.48, Sep 18 - Oct 3$9.80, Sep 25 9:11 pm$22.19, Sep 21 - Oct 12$18.48, Sep 18 - Oct 3$9.50, Sep 29 7:48 pm$22.19, Sep 21 - Oct 12$18.48, Sep 18 - Oct 3$9.25, Oct 3 9:27 pm$22.19, Sep 21 - Oct 12$18.19, Oct 8 12:01 am$9.00, Oct 8 12:01 am$22.19, Sep 21 - Oct 12$18.18, Oct 12 - Oct 16$8.80, Oct 12 2:06 am$22.53, Oct 16 - Oct 31$18.18, Oct 12 - Oct 16$8.60, Oct 16 12:39 am$22.53, Oct 16 - Oct 31$18.17, Oct 19 9:35 pm$8.40, Oct 19 9:35 pm$22.53, Oct 16 - Oct 31$18.16, Oct 23 - Nov 12$8.05, Oct 23 6:38 pm$22.53, Oct 16 - Oct 31$18.16, Oct 23 - Nov 12$7.85, Oct 27 4:37 pm$22.53, Oct 16 - Oct 31$18.16, Oct 23 - Nov 12$7.65, Oct 31 4:28 pm$22.62, Nov 4 - Nov 19$18.16, Oct 23 - Nov 12$7.45, Nov 4 4:30 pm$22.62, Nov 4 - Nov 19$18.16, Oct 23 - Nov 12$7.25, Nov 8 7:20 pm$22.62, Nov 4 - Nov 19$18.16, Oct 23 - Nov 12$7.07, Nov 12 - Nov 28$22.62, Nov 4 - Nov 19$18.17, Nov 17 - Nov 19$7.07, Nov 12 - Nov 28$22.96, Nov 23 - Dec 8$18.16, Nov 23 - Dec 13$7.07, Nov 12 - Nov 28$22.96, Nov 23 - Dec 8$18.16, Nov 23 - Dec 13$6.00, Dec 3 - Dec 13$23.29, Dec 13 - Dec 28$18.16, Nov 23 - Dec 13$6.00, Dec 3 - Dec 13$23.29, Dec 13 - Dec 28$18.17, Dec 18 - Jan 9$16.60, Dec 18 11:18 am$23.29, Dec 13 - Dec 28$18.17, Dec 18 - Jan 9$18.16, Dec 23 - Dec 30$24.23, Dec 30 - Jan 19$18.17, Dec 18 - Jan 9$18.16, Dec 23 - Dec 30$24.23, Dec 30 - Jan 19$18.17, Dec 18 - Jan 9$18.10, Jan 4 - Jan 14$24.23, Dec 30 - Jan 19$18.16, Jan 14 - Feb 3$18.10, Jan 4 - Jan 14$24.23, Dec 30 - Jan 19$18.16, Jan 14 - Feb 3$17.91, Jan 19 - Mar 16$24.06, Jan 24 - Feb 8$18.16, Jan 14 - Feb 3$17.91, Jan 19 - Mar 16$24.06, Jan 24 - Feb 8$18.17, Feb 8 11:40 am$17.91, Jan 19 - Mar 16$24.06, Jan 24 - Feb 8$21.48, Feb 13 - Feb 24$17.91, Jan 19 - Mar 16$23.89, Mar 5 1:10 am$19.14, Mar 5 1:10 am$17.91, Jan 19 - Mar 16$23.89, Mar 5 1:10 am$20.94, Mar 16 2:37 pm$17.91, Jan 19 - Mar 16$27.07, Mar 28 3:15 am$23.72, Mar 28 3:15 am$19.56, Mar 28 3:15 am$27.07, Mar 28 3:15 am$19.56, Mar 28 3:15 am$19.95, Apr 8 12:07 pm$19.25, Apr 8 12:07 pm$20.44, Apr 20 8:15 am$18.12, Apr 20 8:15 am 81,9311,655,463 1,953,125 1,171,875 781,250 390,625 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Last Seen $23.72 Mar 28, '16
Highest $24.23 Dec 30, '15
Lowest $20.05 Feb 1, '15
Average $23.72 (30d avg)
$24.00 (90d avg)
$23.54 (180d avg)
$22.82 (365d avg)
$22.32 (Lifetime average)
Added Jan 27, 2014

3rd Party New

Latest $20.44 1 day ago
Highest $21.83 Jun 2, '14
Lowest $17.26 Sep 28, '14
Average $19.40 (30d avg)
$19.71 (90d avg)
$18.94 (180d avg)
$18.74 (365d avg)
$18.45 (Lifetime average)
Added Jan 27, 2014

3rd Party Used

Latest $18.12 1 day ago
Highest $31.65 Jan 12, '15
Lowest $2.41 May 4, '15
Average $23.44 (30d avg)
$19.34 (90d avg)
$15.23 (180d avg)
$13.78 (365d avg)
$15.34 (Lifetime average)
Added Jan 27, 2014

Sales Rank

30 day average: 440,265
90 day average: 1,046,565

Product Description

Originally published: Centreville, Md.: Tidewater Pub., 1993.

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