Home

PriceZombie

Login
  • The Art of Waging Peace: A Strategic Approach to Improving Our Lives and the World

  • Amazon

    From $20.78 (New)
  • Learn More
  • Change Region
  • Full Website

Copyright © 2016 PriceZombie, LLC.

Buy from Amazon $21.00$0.10 $22.50 $18.00 $13.50 $9.00 $4.50 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $14.64, Sep 14 2:03 pm$14.91, Nov 18 - Dec 3$16.63, Dec 5 7:46 am$14.61, Dec 7 - Dec 16$15.03, Dec 18 - Dec 26$15.33, Dec 28 - Jan 3$15.63, Jan 5 - Jan 7$15.94, Jan 8 - Jan 9$16.57, Jan 13 - Jan 19$16.90, Jan 19 - Jan 22$16.56, Jan 23 - Jan 27$16.50, Jan 28 - Feb 3$16.28, Feb 4 - Feb 9$16.12, Feb 10 - Feb 23$16.23, Feb 23 - Mar 19$16.28, Mar 20 - Mar 29$16.12, Mar 30 - Apr 6$16.06, Apr 7 - Apr 17$16.36, Apr 18 - Apr 28$16.56, Apr 29 - Jun 23$16.56, Apr 29 - Jun 23$12.77, May 3 - May 5$11.87, May 3 - May 13$16.56, Apr 29 - Jun 23$12.10, May 6 - May 13$11.87, May 3 - May 13$16.56, Apr 29 - Jun 23$11.58, May 13 6:25 pm$11.50, May 13 - May 22$16.56, Apr 29 - Jun 23$11.50, May 15 - May 21$11.50, May 13 - May 22$16.56, Apr 29 - Jun 23$11.50, May 13 - May 22$10.10, May 22 3:51 am$16.56, Apr 29 - Jun 23$8.78, May 23 - May 26$7.54, May 24 1:18 am$16.56, Apr 29 - Jun 23$5.29, May 27 - May 28$4.26, May 27 2:22 am$16.56, Apr 29 - Jun 23$3.29, May 29 12:11 am$3.29, May 29 - Jun 4$16.56, Apr 29 - Jun 23$11.49, May 31 - Jun 2$3.29, May 29 - Jun 4$16.56, Apr 29 - Jun 23$11.48, Jun 3 - Jun 12$3.29, May 29 - Jun 4$16.56, Apr 29 - Jun 23$11.55, Jun 4 - Jun 12$11.48, Jun 3 - Jun 12$16.56, Apr 29 - Jun 23$10.96, Jun 13 - Jun 15$10.95, Jun 13 - Jun 15$16.56, Apr 29 - Jun 23$10.94, Jun 15 10:48 pm$10.61, Jun 15 - Jul 15$16.56, Apr 29 - Jun 23$10.61, Jun 15 - Jul 15$10.60, Jun 16 - Jun 26$16.22, Jun 24 - Jul 1$10.61, Jun 15 - Jul 15$10.60, Jun 16 - Jun 26$16.22, Jun 24 - Jul 1$10.61, Jun 15 - Jul 15$8.50, Jun 27 - Jul 8$15.89, Jul 2 - Jul 10$10.61, Jun 15 - Jul 15$8.50, Jun 27 - Jul 8$15.57, Jul 11 - Jul 21$11.46, Jul 10 - Jul 30$10.61, Jun 15 - Jul 15$15.57, Jul 11 - Jul 21$11.46, Jul 10 - Jul 30$10.54, Jul 18 5:20 am$15.57, Jul 11 - Jul 21$11.46, Jul 10 - Jul 30$10.61, Jul 19 - Jul 28$15.67, Jul 22 - Jul 30$11.46, Jul 10 - Jul 30$10.61, Jul 30 - Aug 19$15.77, Jul 31 - Aug 10$12.57, Aug 2 - Aug 3$10.61, Jul 30 - Aug 19$15.77, Jul 31 - Aug 10$12.48, Aug 4 12:31 pm$10.61, Jul 30 - Aug 19$15.77, Jul 31 - Aug 10$12.40, Aug 7 1:58 pm$10.61, Jul 30 - Aug 19$15.77, Jul 31 - Aug 10$12.56, Aug 9 3:05 pm$10.61, Jul 30 - Aug 19$15.45, Aug 11 - Aug 22$12.45, Aug 12 1:45 pm$10.61, Jul 30 - Aug 19$15.45, Aug 11 - Aug 22$12.57, Aug 13 - Aug 14$10.61, Jul 30 - Aug 19$15.45, Aug 11 - Aug 22$10.61, Aug 15 - Aug 20$10.61, Jul 30 - Aug 19$15.45, Aug 11 - Aug 22$11.65, Aug 20 - Sep 9$11.43, Aug 21 - Aug 22$15.14, Aug 24 - Sep 2$11.65, Aug 20 - Sep 9$11.12, Aug 25 - Sep 2$14.83, Sep 3 - Sep 11$11.65, Aug 20 - Sep 9$11.64, Sep 3 - Sep 10$14.83, Sep 3 - Sep 11$11.64, Sep 3 - Sep 10$10.95, Sep 10 - Sep 11$14.95, Sep 12 - Sep 23$10.78, Sep 12 11:10 pm$10.61, Sep 12 - Nov 3$14.95, Sep 12 - Sep 23$11.97, Sep 16 - Oct 19$10.61, Sep 12 - Nov 3$15.07, Sep 25 - Oct 5$11.97, Sep 16 - Oct 19$10.61, Sep 12 - Nov 3$15.18, Oct 6 - Oct 14$11.97, Sep 16 - Oct 19$10.61, Sep 12 - Nov 3$15.29, Oct 16 - Oct 23$11.97, Sep 16 - Oct 19$10.61, Sep 12 - Nov 3$15.29, Oct 16 - Oct 23$10.61, Sep 12 - Nov 3$9.88, Oct 21 - Oct 23$14.98, Oct 28 - Nov 3$10.61, Sep 12 - Nov 3$9.01, Oct 28 11:44 pm$14.98, Oct 28 - Nov 3$10.61, Sep 12 - Nov 3$9.88, Nov 3 11:38 am$14.68, Nov 9 - Nov 15$10.56, Nov 9 - Nov 15$9.83, Nov 9 - Nov 15$14.38, Nov 18 - Nov 25$10.44, Nov 18 - Dec 24$9.67, Nov 18 - Nov 22$14.38, Nov 18 - Nov 25$10.44, Nov 18 - Dec 24$9.07, Nov 23 1:49 am$14.09, Nov 27 - Nov 28$10.44, Nov 18 - Dec 24$8.85, Nov 27 2:45 am$14.09, Nov 27 - Nov 28$10.44, Nov 18 - Dec 24$8.07, Nov 28 10:07 pm$13.80, Nov 30 - Dec 9$10.44, Nov 18 - Dec 24$7.37, Nov 30 8:11 pm$13.80, Nov 30 - Dec 9$10.44, Nov 18 - Dec 24$9.12, Dec 4 - Dec 6$13.80, Nov 30 - Dec 9$10.44, Nov 18 - Dec 24$8.20, Dec 8 - Dec 26$13.94, Dec 11 - Dec 16$10.44, Nov 18 - Dec 24$8.20, Dec 8 - Dec 26$14.08, Dec 21 - Dec 30$10.44, Nov 18 - Dec 24$8.20, Dec 8 - Dec 26$14.08, Dec 21 - Dec 30$11.65, Dec 24 - Dec 25$8.20, Dec 8 - Dec 26$14.08, Dec 21 - Dec 30$10.44, Dec 26 - Jan 26$8.20, Dec 8 - Dec 26$14.08, Dec 21 - Dec 30$10.44, Dec 26 - Jan 26$9.39, Dec 28 - Dec 30$14.21, Dec 31 - Jan 10$10.44, Dec 26 - Jan 26$9.51, Dec 31 - Jan 2$14.21, Dec 31 - Jan 10$10.44, Jan 4 - Jan 5$10.44, Dec 26 - Jan 26$14.21, Dec 31 - Jan 10$10.44, Dec 26 - Jan 26$10.21, Jan 8 - Jan 11$13.92, Jan 11 - Jan 20$10.44, Dec 26 - Jan 26$10.21, Jan 8 - Jan 11$13.92, Jan 11 - Jan 20$10.44, Dec 26 - Jan 26$9.92, Jan 11 - Jan 20$13.64, Jan 21 - Feb 5$10.44, Dec 26 - Jan 26$8.65, Jan 23 - Jan 29$13.64, Jan 21 - Feb 5$12.83, Jan 28 - Feb 5$8.65, Jan 23 - Jan 29$13.64, Jan 21 - Feb 5$12.83, Jan 28 - Feb 5$6.65, Jan 30 11:14 pm$13.64, Jan 21 - Feb 5$12.83, Jan 28 - Feb 5$6.25, Feb 1 6:07 pm$13.64, Jan 21 - Feb 5$12.83, Jan 28 - Feb 5$8.50, Feb 5 - Feb 14$13.36, Feb 7 2:36 am$13.36, Feb 7 - Feb 14$8.50, Feb 5 - Feb 14$13.36, Feb 7 - Feb 14$13.15, Feb 8 10:05 pm$8.50, Feb 5 - Feb 14$13.36, Feb 7 - Feb 14$11.98, Feb 11 - Feb 16$8.50, Feb 5 - Feb 14$13.09, Feb 16 - Feb 24$11.98, Feb 11 - Feb 16$8.64, Feb 16 - Feb 21$13.09, Feb 16 - Feb 24$12.83, Feb 18 - Feb 24$8.64, Feb 16 - Feb 21$13.09, Feb 16 - Feb 24$12.83, Feb 18 - Feb 24$7.59, Feb 22 - Feb 26$12.82, Feb 26 - Mar 7$12.82, Feb 26 - Mar 7$7.59, Feb 22 - Feb 26$12.82, Feb 26 - Mar 7$12.82, Feb 26 - Mar 7$7.32, Feb 28 - Mar 7$18.77, Mar 9 - Mar 17$14.07, Mar 9 - Mar 17$7.55, Mar 9 - Mar 11$18.77, Mar 9 - Mar 17$14.07, Mar 9 - Mar 17$7.78, Mar 13 - Mar 19$15.82, Mar 19 - Mar 30$11.81, Mar 19 - Mar 30$7.78, Mar 13 - Mar 19$15.82, Mar 19 - Mar 30$11.81, Mar 19 - Mar 30$8.06, Mar 21 - Mar 30$15.56, Apr 2 - Apr 7$11.55, Apr 2 - Apr 4$8.65, Apr 2 - Apr 14$15.56, Apr 2 - Apr 7$11.98, Apr 7 9:25 am$8.65, Apr 2 - Apr 14$18.77, Apr 10 - Apr 16$14.76, Apr 10 - Apr 16$8.65, Apr 2 - Apr 14$18.77, Apr 10 - Apr 16$14.76, Apr 10 - Apr 16$9.27, Apr 16 - Apr 25$15.39, Apr 19 1:16 pm$11.38, Apr 19 1:16 pm$9.27, Apr 16 - Apr 25$15.33, Apr 28 - May 6$11.32, Apr 28 - May 6$9.27, Apr 28 - May 6$16.03, May 10 - May 17$12.02, May 10 1:45 pm$11.68, May 10 1:45 pm$16.03, May 10 - May 17$12.02, May 10 1:45 pm$11.70, May 13 - May 17$16.03, May 10 - May 17$15.99, May 17 10:56 am$11.70, May 13 - May 17$16.01, May 21 - May 25$15.97, May 21 9:28 pm$11.12, May 21 9:28 pm$16.01, May 21 - May 25$12.00, May 25 11:37 pm$11.10, May 25 11:37 pm$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$11.12, May 30 12:33 pm$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$11.70, Jun 4 3:23 am$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$11.49, Jun 8 12:41 pm$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$11.09, Jun 12 10:14 am$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$11.02, Jun 16 5:17 am$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$10.98, Jun 20 12:12 am$16.39, May 30 - Jun 23$12.00, May 25 11:37 pm$10.85, Jun 23 6:12 pm$16.37, Jun 25 - Jul 6$12.00, May 25 11:37 pm$10.81, Jun 25 4:55 pm$16.37, Jun 25 - Jul 6$12.00, May 25 11:37 pm$4.73, Jul 1 8:39 pm$16.37, Jun 25 - Jul 6$12.00, May 25 11:37 pm$4.71, Jul 6 2:19 am$16.11, Jul 11 - Jul 19$12.00, May 25 11:37 pm$4.60, Jul 11 11:04 pm$16.11, Jul 11 - Jul 19$12.00, May 25 11:37 pm$4.49, Jul 15 3:38 pm$16.11, Jul 11 - Jul 19$12.09, Jul 19 5:15 am$4.42, Jul 19 5:15 am$16.30, Jul 22 - Aug 17$12.11, Jul 22 8:19 pm$4.33, Jul 22 8:19 pm$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$4.30, Jul 26 9:44 am$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$4.25, Jul 30 12:04 am$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$4.17, Aug 2 2:09 pm$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$4.13, Aug 4 10:03 am$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$4.07, Aug 8 2:40 am$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$3.83, Aug 11 10:54 pm$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$3.74, Aug 15 4:22 pm$16.30, Jul 22 - Aug 17$12.30, Jul 26 - Aug 17$6.15, Aug 17 2:14 pm$17.22, Aug 21 - Sep 1$13.22, Aug 21 - Sep 1$6.16, Aug 21 - Aug 25$17.22, Aug 21 - Sep 1$13.22, Aug 21 - Sep 1$8.98, Aug 28 - Sep 1$16.99, Sep 5 - Sep 17$13.00, Sep 5 11:12 am$8.99, Sep 5 - Sep 9$16.99, Sep 5 - Sep 17$12.81, Sep 9 9:26 am$8.99, Sep 5 - Sep 9$16.99, Sep 5 - Sep 17$12.55, Sep 13 6:48 am$7.25, Sep 13 6:48 am$16.99, Sep 5 - Sep 17$12.98, Sep 17 3:36 am$6.06, Sep 17 3:36 am$15.92, Sep 21 12:42 am$11.78, Sep 21 12:42 am$4.66, Sep 21 12:42 am$15.96, Sep 24 - Sep 28$11.55, Sep 24 10:59 pm$3.39, Sep 24 10:59 pm$15.96, Sep 24 - Sep 28$11.33, Sep 28 8:21 pm$8.38, Sep 28 - Oct 7$21.00, Oct 2 - Apr 5$11.43, Oct 2 9:52 pm$8.38, Sep 28 - Oct 7$21.00, Oct 2 - Apr 5$11.19, Oct 7 12:30 am$8.38, Sep 28 - Oct 7$21.00, Oct 2 - Apr 5$9.98, Oct 11 3:50 am$5.09, Oct 11 3:50 am$21.00, Oct 2 - Apr 5$9.97, Oct 15 2:44 am$4.96, Oct 15 2:44 am$21.00, Oct 2 - Apr 5$9.78, Oct 18 10:28 pm$4.66, Oct 18 10:28 pm$21.00, Oct 2 - Apr 5$9.59, Oct 22 8:04 pm$4.53, Oct 22 8:04 pm$21.00, Oct 2 - Apr 5$9.40, Oct 26 4:58 pm$4.09, Oct 26 4:58 pm$21.00, Oct 2 - Apr 5$9.21, Oct 30 3:54 pm$3.80, Oct 30 3:54 pm$21.00, Oct 2 - Apr 5$9.02, Nov 3 3:37 pm$0.74, Nov 3 3:37 pm$21.00, Oct 2 - Apr 5$8.86, Nov 7 6:14 pm$0.10, Nov 7 - Nov 11$21.00, Oct 2 - Apr 5$8.83, Nov 11 9:14 pm$0.10, Nov 7 - Nov 11$21.00, Oct 2 - Apr 5$8.64, Nov 16 2:00 am$1.25, Nov 16 2:00 am$21.00, Oct 2 - Apr 5$8.43, Nov 20 11:12 am$4.44, Nov 20 11:12 am$21.00, Oct 2 - Apr 5$8.34, Nov 22 4:50 pm$4.38, Nov 22 4:50 pm$21.00, Oct 2 - Apr 5$9.41, Nov 27 5:08 am$4.27, Nov 27 5:08 am$21.00, Oct 2 - Apr 5$8.07, Nov 29 2:13 pm$4.19, Nov 29 2:13 pm$21.00, Oct 2 - Apr 5$7.88, Dec 4 11:52 am$4.10, Dec 4 11:52 am$21.00, Oct 2 - Apr 5$7.68, Dec 9 3:38 pm$5.02, Dec 9 3:38 pm$21.00, Oct 2 - Apr 5$7.48, Dec 14 3:50 pm$4.88, Dec 14 3:50 pm$21.00, Oct 2 - Apr 5$7.27, Dec 19 4:42 pm$4.05, Dec 19 4:42 pm$21.00, Oct 2 - Apr 5$7.20, Dec 24 11:45 am$3.94, Dec 24 11:45 am$21.00, Oct 2 - Apr 5$7.11, Dec 29 1:11 pm$3.78, Dec 29 1:11 pm$21.00, Oct 2 - Apr 5$7.04, Jan 3 8:04 am$3.65, Jan 3 8:04 am$21.00, Oct 2 - Apr 5$7.00, Jan 8 - Jan 28$3.53, Jan 8 5:57 am$21.00, Oct 2 - Apr 5$7.00, Jan 8 - Jan 28$3.49, Jan 13 4:06 am$21.00, Oct 2 - Apr 5$7.00, Jan 8 - Jan 28$3.33, Jan 18 4:26 am$21.00, Oct 2 - Apr 5$7.00, Jan 8 - Jan 28$3.15, Jan 23 5:18 am$21.00, Oct 2 - Apr 5$7.00, Jan 8 - Jan 28$3.14, Jan 28 7:25 am$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$3.09, Feb 2 6:52 am$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.98, Feb 7 8:41 am$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.96, Feb 12 - Feb 17$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.95, Feb 23 12:23 pm$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.86, Feb 28 8:33 pm$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.58, Mar 12 7:42 pm$21.00, Oct 2 - Apr 5$5.00, Feb 2 - Mar 24$2.41, Mar 24 7:12 pm$21.00, Oct 2 - Apr 5$4.92, Apr 5 7:54 am$2.15, Apr 5 7:54 am$20.78, Apr 17 12:19 am$4.77, Apr 17 12:19 am$1.79, Apr 17 12:19 am 51,9751,165,569 781,250 390,625 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $20.78 Apr 17, '16
Highest $21.00 Oct 2, '15
Lowest $12.82 Feb 26, '15
Average $21.00 (30d avg)
$21.00 (90d avg)
$21.00 (180d avg)
$18.84 (365d avg)
$16.69 (Lifetime average)
Added Sep 14, 2013

3rd Party New

Latest $4.77 Apr 17, '16
Highest $15.99 May 17, '15
Lowest $3.29 May 29, '14
Average $4.97 (30d avg)
$5.33 (90d avg)
$6.68 (180d avg)
$9.47 (365d avg)
$10.26 (Lifetime average)
Added Sep 14, 2013

3rd Party Used

Latest $1.79 Apr 17, '16
Highest $12.57 Aug 13, '14
Lowest $0.10 Nov 7, '15
Average $2.28 (30d avg)
$2.77 (90d avg)
$3.10 (180d avg)
$5.48 (365d avg)
$7.62 (Lifetime average)
Added Sep 14, 2013

Sales Rank

30 day average: 1,116,106
90 day average: 1,038,931

Product Description

Back to store list

Login