Home

PriceZombie

Login
  • Lean-Agile Software Development: Achieving Enterprise Agility
  • Amazon

    From $34.98 (New)

  • Learn More
  • Change Region
  • Full Website

Copyright © 2016 PriceZombie, LLC.

Buy from Amazon $48.50$7.15 $41.00 $32.00 $23.00 $14.00 Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $31.49, Dec 16 - Jan 25$31.84, Jan 25 - Feb 23$31.52, Feb 24 - Apr 30$41.36, May 1 - May 7$41.36, May 1 - May 7$32.21, May 3 - May 5$13.80, May 3 11:11 am$41.36, May 1 - May 7$32.21, May 3 - May 5$13.57, May 5 5:12 pm$37.77, May 8 - May 13$32.21, May 6 - May 8$13.21, May 8 1:06 am$37.77, May 8 - May 13$33.05, May 10 7:41 am$12.57, May 10 7:41 am$37.77, May 8 - May 13$33.02, May 12 1:55 am$12.14, May 12 1:55 am$37.77, May 8 - May 13$33.04, May 13 9:54 am$11.06, May 13 9:54 am$38.19, May 15 - May 30$33.06, May 16 12:28 pm$9.78, May 16 12:28 pm$38.19, May 15 - May 30$32.21, May 17 - May 21$8.99, May 18 6:02 pm$38.19, May 15 - May 30$32.21, May 17 - May 21$8.84, May 20 - May 21$38.19, May 15 - May 30$33.06, May 23 11:11 am$8.19, May 23 11:11 am$38.19, May 15 - May 30$33.02, May 25 10:27 am$7.36, May 25 10:27 am$38.19, May 15 - May 30$32.93, May 27 - May 28$7.23, May 27 - May 28$38.19, May 15 - May 30$32.93, May 30 12:47 am$7.22, May 29 - May 30$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$7.20, Jun 1 - Jun 3$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$7.19, Jun 3 - Jun 4$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$7.18, Jun 5 - Jun 6$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$7.17, Jun 7 - Jun 8$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$7.15, Jun 10 9:58 am$37.80, May 31 - Jul 26$32.43, Jun 11 - Jun 16$32.21, Jun 1 - Jun 19$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$31.44, Jun 17 5:32 am$37.80, May 31 - Jul 26$32.21, Jun 1 - Jun 19$25.67, Jun 19 11:31 am$37.80, May 31 - Jul 26$32.56, Jun 20 - Jun 24$20.08, Jun 21 5:37 pm$37.80, May 31 - Jul 26$32.56, Jun 20 - Jun 24$23.06, Jun 24 12:54 am$37.80, May 31 - Jul 26$32.77, Jun 24 - Jul 3$32.55, Jun 25 - Jul 3$37.80, May 31 - Jul 26$32.78, Jul 4 - Jul 7$32.56, Jul 4 - Jul 7$37.80, May 31 - Jul 26$33.03, Jul 8 - Jul 21$32.93, Jul 8 - Jul 14$37.80, May 31 - Jul 26$33.04, Jul 16 7:09 am$33.03, Jul 8 - Jul 21$37.80, May 31 - Jul 26$33.03, Jul 8 - Jul 21$32.93, Jul 17 3:54 pm$37.80, May 31 - Jul 26$33.04, Jul 18 - Jul 27$33.03, Jul 8 - Jul 21$37.80, May 31 - Jul 26$33.04, Jul 18 - Jul 27$32.96, Jul 22 - Jul 27$37.42, Jul 26 - Aug 6$33.04, Jul 18 - Jul 27$32.96, Jul 22 - Jul 27$37.42, Jul 26 - Aug 6$32.78, Jul 28 - Jul 29$32.56, Jul 28 - Jul 29$37.42, Jul 26 - Aug 6$32.96, Jul 30 - Aug 5$32.95, Jul 31 - Aug 6$37.04, Aug 7 - Aug 24$33.04, Aug 7 7:36 am$32.93, Aug 6 - Aug 9$37.04, Aug 7 - Aug 24$32.95, Aug 9 - Aug 13$32.93, Aug 6 - Aug 9$37.04, Aug 7 - Aug 24$32.95, Aug 9 - Aug 13$32.80, Aug 12 8:02 am$37.04, Aug 7 - Aug 24$33.04, Aug 14 6:03 am$32.75, Aug 14 6:03 am$37.04, Aug 7 - Aug 24$33.03, Aug 16 2:34 am$32.69, Aug 16 2:34 am$37.04, Aug 7 - Aug 24$32.95, Aug 18 8:13 am$32.63, Aug 18 8:13 am$37.04, Aug 7 - Aug 24$32.01, Aug 19 - Sep 25$31.93, Aug 20 3:43 pm$37.04, Aug 7 - Aug 24$32.01, Aug 19 - Sep 25$31.86, Aug 22 6:39 pm$37.04, Aug 7 - Aug 24$32.01, Aug 19 - Sep 25$31.80, Aug 24 10:14 pm$40.48, Aug 25 - Aug 27$32.01, Aug 19 - Sep 25$31.71, Aug 27 12:37 am$40.56, Aug 28 - Aug 29$32.01, Aug 19 - Sep 25$31.65, Aug 29 6:51 am$40.76, Aug 30 - Sep 8$32.01, Aug 19 - Sep 25$31.58, Aug 31 2:46 pm$40.76, Aug 30 - Sep 8$32.01, Aug 19 - Sep 25$31.52, Sep 2 11:12 pm$40.76, Aug 30 - Sep 8$32.01, Aug 19 - Sep 25$31.47, Sep 5 8:30 am$40.76, Aug 30 - Sep 8$32.01, Aug 19 - Sep 25$22.89, Sep 7 4:54 pm$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$22.38, Sep 10 2:48 am$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$22.02, Sep 12 11:14 am$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$21.60, Sep 14 10:00 am$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$21.21, Sep 16 10:14 am$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$20.84, Sep 18 11:48 am$40.35, Sep 10 - Sep 20$32.01, Aug 19 - Sep 25$27.29, Sep 20 12:39 pm$39.94, Sep 22 - Sep 27$32.01, Aug 19 - Sep 25$27.24, Sep 23 6:25 am$39.94, Sep 22 - Sep 27$32.01, Aug 19 - Sep 25$27.21, Sep 25 9:45 am$39.94, Sep 22 - Sep 27$32.00, Sep 27 - Sep 29$27.18, Sep 27 12:07 pm$39.54, Sep 29 - Dec 16$32.00, Sep 27 - Sep 29$28.28, Sep 29 1:53 pm$39.54, Sep 29 - Dec 16$32.96, Oct 1 4:46 pm$32.01, Oct 1 - Oct 20$39.54, Sep 29 - Dec 16$32.52, Oct 3 - Oct 9$32.01, Oct 1 - Oct 20$39.54, Sep 29 - Dec 16$32.96, Oct 11 - Nov 6$32.01, Oct 1 - Oct 20$39.54, Sep 29 - Dec 16$32.96, Oct 11 - Nov 6$32.96, Oct 23 - Oct 28$39.54, Sep 29 - Dec 16$33.00, Nov 2 9:52 am$32.96, Oct 11 - Nov 6$39.54, Sep 29 - Dec 16$32.96, Oct 11 - Nov 6$32.01, Nov 6 - Nov 28$39.54, Sep 29 - Dec 16$32.93, Nov 12 8:23 am$32.01, Nov 6 - Nov 28$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$28.42, Nov 15 3:42 am$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$22.97, Nov 18 11:33 am$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$20.33, Nov 20 4:40 pm$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$18.56, Nov 22 8:22 pm$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$27.76, Nov 24 10:13 pm$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$25.34, Nov 26 8:36 pm$39.54, Sep 29 - Dec 16$32.01, Nov 6 - Nov 28$24.58, Nov 28 6:27 pm$39.54, Sep 29 - Dec 16$33.39, Nov 30 4:43 pm$23.12, Nov 30 4:43 pm$39.54, Sep 29 - Dec 16$33.03, Dec 4 - Jan 21$18.13, Dec 4 2:11 pm$39.54, Sep 29 - Dec 16$33.03, Dec 4 - Jan 21$16.05, Dec 6 11:19 am$39.54, Sep 29 - Dec 16$33.03, Dec 4 - Jan 21$16.00, Dec 8 - Dec 10$39.54, Sep 29 - Dec 16$33.03, Dec 4 - Jan 21$32.93, Dec 12 - Dec 18$40.54, Dec 18 - Dec 24$33.03, Dec 4 - Jan 21$32.93, Dec 12 - Dec 18$40.54, Dec 18 - Dec 24$33.03, Dec 4 - Jan 21$32.87, Dec 24 6:16 pm$40.33, Dec 25 - Dec 30$33.03, Dec 4 - Jan 21$32.86, Dec 25 - Dec 26$40.33, Dec 25 - Dec 30$33.03, Dec 4 - Jan 21$32.85, Dec 28 11:12 pm$40.33, Dec 25 - Dec 30$33.03, Dec 4 - Jan 21$32.84, Dec 30 9:08 am$40.12, Dec 31 - Jan 7$33.03, Dec 4 - Jan 21$32.81, Jan 2 4:38 pm$40.12, Dec 31 - Jan 7$33.03, Dec 4 - Jan 21$32.77, Jan 4 - Jan 5$40.12, Dec 31 - Jan 7$33.03, Dec 4 - Jan 21$32.75, Jan 6 4:50 am$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.67, Jan 9 9:22 am$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.65, Jan 10 1:35 pm$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.59, Jan 13 6:10 am$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.55, Jan 14 10:58 pm$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.47, Jan 18 6:30 am$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.43, Jan 19 9:56 pm$41.46, Jan 8 - Feb 4$33.03, Dec 4 - Jan 21$32.40, Jan 21 12:36 pm$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$32.32, Jan 24 6:22 pm$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$32.28, Jan 26 10:25 am$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$32.24, Jan 28 4:01 am$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$29.98, Jan 31 3:36 pm$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$29.96, Feb 2 9:37 am$41.46, Jan 8 - Feb 4$33.70, Jan 23 - Feb 28$29.94, Feb 4 5:32 am$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.92, Feb 5 11:34 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.84, Feb 9 1:31 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.81, Feb 11 8:46 am$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.78, Feb 13 4:21 am$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.74, Feb 15 12:21 am$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.68, Feb 17 12:52 am$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.58, Feb 20 6:39 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.54, Feb 22 4:34 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.49, Feb 24 2:20 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.44, Feb 26 12:00 pm$41.25, Feb 5 - Apr 4$33.70, Jan 23 - Feb 28$29.40, Feb 28 9:51 am$41.25, Feb 5 - Apr 4$33.57, Mar 4 5:23 am$32.49, Mar 3 - Mar 8$41.25, Feb 5 - Apr 4$33.46, Mar 6 7:49 am$32.49, Mar 3 - Mar 8$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.49, Mar 3 - Mar 8$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.48, Mar 10 2:42 pm$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.43, Mar 12 9:33 pm$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.37, Mar 15 5:18 am$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.29, Mar 17 4:43 pm$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.23, Mar 20 2:05 am$41.25, Feb 5 - Apr 4$33.00, Mar 8 - Mar 22$32.17, Mar 22 12:13 pm$41.25, Feb 5 - Apr 4$32.94, Mar 24 - Apr 4$32.48, Mar 24 6:57 pm$41.25, Feb 5 - Apr 4$32.94, Mar 24 - Apr 4$32.49, Mar 28 - Apr 4$41.04, Apr 7 - Apr 19$32.28, Apr 7 - Apr 19$32.00, Apr 7 - Apr 16$41.04, Apr 7 - Apr 19$32.94, Apr 19 - Apr 22$32.28, Apr 7 - Apr 19$41.46, Apr 22 - Apr 25$32.94, Apr 19 - Apr 22$28.96, Apr 22 6:21 am$41.46, Apr 22 - Apr 25$28.00, Apr 25 3:35 am$27.99, Apr 25 3:35 am$41.46, Apr 28 - May 15$28.00, Apr 28 - May 27$26.50, Apr 28 4:09 am$41.46, Apr 28 - May 15$28.00, Apr 28 - May 27$27.99, Apr 30 - May 19$41.25, May 19 - May 27$28.00, Apr 28 - May 27$27.99, Apr 30 - May 19$41.25, May 19 - May 27$28.00, Apr 28 - May 27$27.75, May 23 3:36 pm$41.25, May 19 - May 27$28.00, Apr 28 - May 27$27.26, May 27 11:01 pm$41.04, Jun 1 - Jun 18$26.00, Jun 1 - Jun 29$25.79, Jun 1 1:38 pm$41.04, Jun 1 - Jun 18$26.00, Jun 1 - Jun 29$25.37, Jun 6 4:52 am$41.04, Jun 1 - Jun 18$26.00, Jun 1 - Jun 29$25.02, Jun 10 10:11 am$41.04, Jun 1 - Jun 18$26.00, Jun 1 - Jun 29$24.77, Jun 14 6:37 am$41.04, Jun 1 - Jun 18$26.00, Jun 1 - Jun 29$24.55, Jun 18 12:10 am$40.83, Jun 21 - Jun 29$26.00, Jun 1 - Jun 29$24.08, Jun 21 6:40 pm$40.83, Jun 21 - Jun 29$26.00, Jun 1 - Jun 29$23.19, Jun 25 2:13 pm$40.83, Jun 21 - Jun 29$26.00, Jun 1 - Jun 29$22.55, Jun 29 4:42 pm$40.74, Jul 3 - Jul 22$32.43, Jul 3 9:31 pm$21.54, Jul 3 9:31 pm$40.74, Jul 3 - Jul 22$36.38, Jul 8 8:53 am$18.45, Jul 8 8:53 am$40.74, Jul 3 - Jul 22$36.18, Jul 11 - Jul 15$15.98, Jul 11 - Jul 15$40.74, Jul 3 - Jul 22$35.69, Jul 18 6:19 pm$15.97, Jul 18 6:19 pm$40.74, Jul 3 - Jul 22$35.42, Jul 22 8:52 am$15.92, Jul 22 8:52 am$40.53, Jul 25 - Jul 29$34.92, Jul 25 9:48 pm$15.40, Jul 25 9:48 pm$40.53, Jul 25 - Jul 29$34.67, Jul 29 11:04 am$13.94, Jul 29 11:04 am$38.50, Aug 2 - Aug 7$34.11, Aug 2 1:25 am$12.64, Aug 2 1:25 am$38.50, Aug 2 - Aug 7$22.08, Aug 5 4:38 pm$12.72, Aug 5 4:38 pm$38.50, Aug 2 - Aug 7$30.27, Aug 7 12:56 pm$12.57, Aug 7 12:56 pm$36.57, Aug 11 9:11 am$17.05, Aug 11 9:11 am$11.88, Aug 11 9:11 am$34.74, Aug 15 - Aug 18$28.56, Aug 15 - Aug 22$11.79, Aug 15 3:45 am$34.74, Aug 15 - Aug 18$28.56, Aug 15 - Aug 22$11.73, Aug 18 9:03 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$11.67, Aug 22 2:39 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$11.61, Aug 26 9:21 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$11.55, Aug 30 3:43 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$11.03, Sep 2 10:51 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$11.86, Sep 6 8:27 pm$33.50, Aug 22 - Jan 17$29.45, Sep 10 6:03 pm$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$28.85, Sep 14 2:05 pm$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$28.79, Sep 18 11:00 am$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$28.68, Sep 20 10:13 am$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$29.50, Sep 24 - Oct 4$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$32.45, Oct 8 - Oct 12$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$33.45, Oct 16 10:50 am$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$29.45, Oct 20 - Oct 24$28.56, Aug 15 - Aug 22$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$17.98, Oct 28 - Nov 1$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$17.95, Nov 5 3:51 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$17.98, Nov 9 - Nov 17$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.99, Nov 22 1:27 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.95, Nov 26 11:55 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.50, Dec 1 8:14 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$21.20, Dec 3 8:09 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$16.09, Dec 8 5:54 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$13.83, Dec 13 8:41 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.95, Dec 18 - Dec 28$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.55, Jan 2 3:28 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.40, Jan 7 12:57 pm$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$22.15, Jan 12 11:54 am$33.50, Aug 22 - Jan 17$28.56, Aug 15 - Aug 22$21.45, Jan 17 10:43 amOOS $33.50, Jan 22 11:33 am$28.56, Aug 15 - Aug 22$20.80, Jan 22 11:33 am$33.50, Jan 25 - Jan 27$28.56, Aug 15 - Aug 22$20.45, Jan 25 12:45 am$33.50, Jan 25 - Jan 27$28.56, Aug 15 - Aug 22$19.25, Jan 27 2:50 pmOOS $33.50, Feb 1 1:50 pm$28.56, Aug 15 - Aug 22$16.30, Feb 1 1:50 pm$33.50, Feb 6 4:29 pm$28.56, Aug 15 - Aug 22$15.20, Feb 6 4:29 pmOOS $33.50, Feb 11 7:28 pm$28.56, Aug 15 - Aug 22$14.60, Feb 11 7:28 pmOOS $43.55, Feb 17 4:59 am$36.65, Feb 17 - Mar 6$29.95, Feb 17 - Feb 25$48.50, Feb 19 9:50 pm$36.65, Feb 17 - Mar 6$29.95, Feb 17 - Feb 25$46.48, Feb 25 10:53 am$36.65, Feb 17 - Mar 6$29.95, Feb 17 - Feb 25$45.63, Mar 6 12:46 pm$36.65, Feb 17 - Mar 6$30.00, Mar 6 12:46 pm$36.65, Feb 17 - Mar 6$34.98, Mar 17 - Apr 16$27.96, Mar 17 11:31 pm$34.98, Mar 17 - Apr 16$25.00, Mar 29 - Apr 16$24.97, Mar 29 12:04 pm$34.98, Mar 17 - Apr 16$27.00, Apr 4 7:54 am$25.00, Mar 29 - Apr 16$34.98, Mar 17 - Apr 16$27.99, Apr 16 1:00 am$25.00, Mar 29 - Apr 16 75,4531,245,465 1,562,500 1,041,667 520,833 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $34.98 Apr 16, '16
Highest $48.50 Feb 19, '16
Lowest $31.49 Dec 16, '13
Average $34.98 (30d avg)
$38.19 (90d avg)
$35.85 (180d avg)
$37.06 (365d avg)
$37.25 (Lifetime average)
Added Dec 16, 2013

3rd Party New

Latest $25.00 Apr 16, '16
Highest $36.65 Feb 17, '16
Lowest $17.05 Aug 11, '15
Average $25.00 (30d avg)
$33.17 (90d avg)
$33.17 (180d avg)
$29.54 (365d avg)
$31.10 (Lifetime average)
Added Dec 16, 2013

3rd Party Used

Latest $27.99 Apr 16, '16
Highest $33.45 Oct 16, '15
Lowest $7.15 Jun 10, '14
Average $26.97 (30d avg)
$24.84 (90d avg)
$22.93 (180d avg)
$22.84 (365d avg)
$25.43 (Lifetime average)
Added Dec 16, 2013

Sales Rank

30 day average: 530,242
90 day average: 487,640

Product Description

Back to store list

Login