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  • Leadership That Matters: The Critical Factors for Making a Difference in People's Lives and Organizations' Success

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Buy from Amazon $24.95$0.01 $20.00 $15.00 $10.00 $5.00 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $23.70, Sep 14 7:42 am$23.46, Nov 18 - Jan 2$23.34, Jan 3 - Jan 16$23.22, Jan 17 - Jan 28$23.10, Jan 29 - Feb 8$22.86, Feb 9 - Mar 16$23.08, Mar 16 - Apr 7$23.31, Apr 8 - Apr 27$22.84, Apr 28 - Jun 29$22.84, Apr 28 - Jun 29$15.18, May 3 - May 4$0.01, May 3 - May 15$22.84, Apr 28 - Jun 29$15.17, May 5 - May 12$0.01, May 3 - May 15$22.84, Apr 28 - Jun 29$15.16, May 12 - May 18$0.01, May 3 - May 15$22.84, Apr 28 - Jun 29$15.16, May 12 - May 18$0.70, May 17 6:45 am$22.84, Apr 28 - Jun 29$15.15, May 19 - May 26$0.95, May 20 3:19 am$22.84, Apr 28 - Jun 29$15.15, May 19 - May 26$1.52, May 22 1:39 pm$22.84, Apr 28 - Jun 29$15.15, May 19 - May 26$2.12, May 25 - May 27$22.84, Apr 28 - Jun 29$15.14, May 26 - Jun 1$2.12, May 25 - May 27$22.84, Apr 28 - Jun 29$15.14, May 26 - Jun 1$2.38, May 30 3:59 am$22.84, Apr 28 - Jun 29$15.14, May 26 - Jun 1$1.79, Jun 1 2:57 am$22.84, Apr 28 - Jun 29$15.13, Jun 2 - Jun 8$1.34, Jun 3 6:27 pm$22.84, Apr 28 - Jun 29$15.13, Jun 2 - Jun 8$1.07, Jun 6 10:36 am$22.84, Apr 28 - Jun 29$15.13, Jun 2 - Jun 8$0.87, Jun 8 11:55 pm$22.84, Apr 28 - Jun 29$15.12, Jun 9 - Jun 14$0.70, Jun 11 2:02 am$22.84, Apr 28 - Jun 29$15.12, Jun 9 - Jun 14$0.55, Jun 13 7:06 am$22.84, Apr 28 - Jun 29$15.11, Jun 14 - Jun 23$0.49, Jun 16 8:14 am$22.84, Apr 28 - Jun 29$15.11, Jun 14 - Jun 23$0.47, Jun 18 3:12 pm$22.84, Apr 28 - Jun 29$15.11, Jun 14 - Jun 23$0.44, Jun 20 10:33 pm$22.84, Apr 28 - Jun 29$15.11, Jun 14 - Jun 23$0.40, Jun 23 4:49 am$22.84, Apr 28 - Jun 29$15.10, Jun 23 - Jun 27$0.32, Jun 25 12:15 pm$22.84, Apr 28 - Jun 29$15.10, Jun 23 - Jun 27$0.23, Jun 27 9:32 pm$23.06, Jun 30 - Jul 18$15.08, Jun 28 - Jun 30$0.16, Jun 30 3:13 am$23.06, Jun 30 - Jul 18$15.05, Jul 1 - Jul 5$0.09, Jul 2 10:31 am$23.06, Jun 30 - Jul 18$15.05, Jul 1 - Jul 5$0.02, Jul 4 7:35 pm$23.06, Jun 30 - Jul 18$15.02, Jul 7 - Jul 12$0.01, Jul 5 - Aug 24$23.06, Jun 30 - Jul 18$14.99, Jul 14 - Jul 20$0.01, Jul 5 - Aug 24$22.82, Jul 20 - Aug 9$14.99, Jul 14 - Jul 20$0.01, Jul 5 - Aug 24$22.82, Jul 20 - Aug 9$14.96, Jul 22 - Jul 27$0.01, Jul 5 - Aug 24$22.82, Jul 20 - Aug 9$14.93, Jul 28 - Aug 3$0.01, Jul 5 - Aug 24$22.82, Jul 20 - Aug 9$14.90, Aug 4 - Aug 10$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$14.88, Aug 11 2:01 am$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$14.79, Aug 13 11:22 pm$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$14.36, Aug 15 9:19 pm$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$14.23, Aug 18 2:32 am$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$14.03, Aug 21 9:11 am$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$13.93, Aug 23 6:08 am$0.01, Jul 5 - Aug 24$22.59, Aug 10 - Aug 29$13.82, Aug 25 9:39 am$0.19, Aug 25 9:39 am$22.59, Aug 10 - Aug 29$13.64, Aug 28 3:20 pm$0.48, Aug 26 - Sep 10$22.36, Aug 30 - Sep 4$13.46, Aug 30 10:48 pm$0.48, Aug 26 - Sep 10$22.36, Aug 30 - Sep 4$13.25, Sep 2 7:27 am$0.48, Aug 26 - Sep 10$22.36, Aug 30 - Sep 4$13.07, Sep 4 4:48 pm$0.48, Aug 26 - Sep 10$22.13, Sep 5 - Sep 12$12.94, Sep 5 10:04 pm$0.48, Aug 26 - Sep 10$22.13, Sep 5 - Sep 12$12.69, Sep 8 - Oct 19$0.48, Aug 26 - Sep 10$21.90, Sep 14 - Sep 22$12.69, Sep 8 - Oct 19$0.39, Sep 14 1:27 pm$21.90, Sep 14 - Sep 22$12.69, Sep 8 - Oct 19$0.32, Sep 16 1:19 pm$21.90, Sep 14 - Sep 22$12.69, Sep 8 - Oct 19$0.29, Sep 18 - Sep 19$21.68, Sep 24 - Sep 28$12.69, Sep 8 - Oct 19$1.71, Sep 24 9:49 am$21.68, Sep 24 - Sep 28$12.69, Sep 8 - Oct 19$3.56, Sep 26 10:20 am$21.68, Sep 24 - Sep 28$12.69, Sep 8 - Oct 19$2.66, Sep 28 11:18 am$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$2.09, Sep 30 11:41 am$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$1.86, Oct 2 5:20 pm$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$1.82, Oct 4 7:24 pm$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$1.50, Oct 8 11:09 pm$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$1.23, Oct 11 12:23 am$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$0.71, Oct 13 3:43 am$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$0.20, Oct 15 5:56 am$21.46, Sep 30 - Nov 16$12.69, Sep 8 - Oct 19$0.18, Oct 17 - Oct 19$21.46, Sep 30 - Nov 16$12.59, Oct 21 7:50 pm$0.13, Oct 21 7:50 pm$21.46, Sep 30 - Nov 16$12.03, Oct 24 3:30 am$0.01, Oct 24 - Jan 14$21.46, Sep 30 - Nov 16$10.83, Oct 30 12:32 am$0.01, Oct 24 - Jan 14$21.46, Sep 30 - Nov 16$9.61, Nov 4 1:09 pm$0.01, Oct 24 - Jan 14$21.46, Sep 30 - Nov 16$7.90, Nov 10 10:27 pm$0.01, Oct 24 - Jan 14$21.46, Sep 30 - Nov 16$6.52, Nov 16 2:26 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.46, Nov 19 5:05 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.42, Nov 21 7:35 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.48, Nov 23 8:07 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.44, Nov 25 - Nov 27$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.48, Nov 29 7:53 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.46, Dec 1 6:55 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.38, Dec 3 5:23 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.34, Dec 5 3:03 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.42, Dec 9 2:15 am$0.01, Oct 24 - Jan 14$21.93, Nov 19 - Dec 21$6.46, Dec 11 - Dec 21$0.01, Oct 24 - Jan 14$21.82, Jan 1 4:07 pm$6.42, Jan 1 - Apr 8$0.01, Oct 24 - Jan 14$21.60, Jan 12 - Jan 14$6.42, Jan 1 - Apr 8$0.01, Oct 24 - Jan 14$21.49, Jan 16 - Jan 21$6.42, Jan 1 - Apr 8$0.23, Jan 16 9:51 pm$21.49, Jan 16 - Jan 21$6.42, Jan 1 - Apr 8$0.01, Jan 18 - Jan 25$21.38, Jan 23 - Jan 30$6.42, Jan 1 - Apr 8$0.01, Jan 18 - Jan 25$21.38, Jan 23 - Jan 30$6.42, Jan 1 - Apr 8$0.97, Jan 26 6:01 pm$21.38, Jan 23 - Jan 30$6.42, Jan 1 - Apr 8$0.52, Jan 28 11:18 am$21.27, Jan 31 - Feb 5$6.42, Jan 1 - Apr 8$0.61, Jan 31 11:58 pm$21.27, Jan 31 - Feb 5$6.42, Jan 1 - Apr 8$0.83, Feb 2 8:38 pm$21.27, Jan 31 - Feb 5$6.42, Jan 1 - Apr 8$1.00, Feb 4 - Feb 10$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$1.00, Feb 4 - Feb 10$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.99, Feb 12 6:20 pm$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.92, Feb 14 1:56 pm$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.84, Feb 16 10:08 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.69, Feb 20 6:07 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.61, Feb 22 4:00 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.52, Feb 24 2:10 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.39, Feb 27 8:06 pm$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.30, Mar 1 8:12 pm$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.24, Mar 4 1:36 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.20, Mar 6 4:49 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.13, Mar 8 5:08 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.03, Mar 10 10:40 am$21.46, Feb 7 - Mar 15$6.42, Jan 1 - Apr 8$0.01, Mar 12 - Apr 23$23.70, Mar 17 3:17 pm$6.42, Jan 1 - Apr 8$0.01, Mar 12 - Apr 23$24.95, Mar 20 - Mar 29$6.42, Jan 1 - Apr 8$0.01, Mar 12 - Apr 23$22.40, Mar 31 4:03 pm$6.42, Jan 1 - Apr 8$0.01, Mar 12 - Apr 23$22.17, Apr 3 - Apr 8$6.42, Jan 1 - Apr 8$0.01, Mar 12 - Apr 23$21.94, Apr 11 - Apr 14$6.40, Apr 11 - Apr 14$0.01, Mar 12 - Apr 23$21.72, Apr 16 - Apr 19$6.36, Apr 16 11:06 pm$0.01, Mar 12 - Apr 23$21.72, Apr 16 - Apr 19$6.32, Apr 19 2:18 pm$0.01, Mar 12 - Apr 23$22.40, Apr 20 11:38 pm$6.30, Apr 20 11:38 pm$0.01, Mar 12 - Apr 23$22.40, Apr 20 11:38 pm$6.26, Apr 23 4:08 pm$0.01, Mar 12 - Apr 23$22.40, Apr 20 11:38 pm$6.22, Apr 26 8:24 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$6.18, Apr 29 5:36 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$6.14, May 2 11:13 am$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$6.10, May 5 2:27 am$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$6.04, May 8 8:30 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$4.34, May 12 4:18 am$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$4.32, May 15 12:50 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$4.26, May 19 6:24 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$4.20, May 23 9:23 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$4.07, May 28 5:15 am$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$3.95, Jun 1 8:11 pm$0.01, Apr 26 - Mar 31$22.40, Apr 20 11:38 pm$3.83, Jun 6 11:41 am$0.01, Apr 26 - Mar 31OOS $22.17, Jun 10 4:10 pm$3.71, Jun 10 4:10 pm$0.01, Apr 26 - Mar 31OOS $21.94, Jun 14 11:50 am$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$21.94, Jun 18 - Jul 6$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$24.95, Jul 12 - Jul 19$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$23.95, Jul 22 - Jul 26$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$23.70, Jul 28 - Jul 31$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$22.75, Aug 4 - Aug 8$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$21.84, Aug 12 - Aug 15$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$21.01, Aug 19 - Sep 26$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31OOS $21.93, Sep 30 - Oct 11$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$21.93, Oct 15 - Nov 18$4.34, Jun 14 - Nov 14$0.01, Apr 26 - Mar 31$21.93, Oct 15 - Nov 18$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31OOS $22.14, Nov 22 - Nov 27$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31OOS $22.36, Dec 2 6:12 am$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$22.36, Dec 7 3:07 am$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$24.95, Dec 12 - Dec 27$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$23.95, Jan 1 - Jan 3$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$22.75, Jan 8 3:58 pm$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$21.61, Jan 13 - Jan 16$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$21.23, Jan 21 - Feb 26$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$24.95, Mar 8 - Mar 20$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31$21.23, Mar 31 10:23 am$6.42, Nov 18 - Mar 31$0.01, Apr 26 - Mar 31 107,3261,176,080 1,562,500 1,041,667 520,833 0 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr 2015 2016

Price Details

New

Last Seen $21.23 Mar 31, '16
Highest $24.95 Mar 8, '16
Lowest $21.01 Aug 19, '15
Average $24.95 (30d avg)
$22.51 (90d avg)
$22.59 (180d avg)
$22.39 (365d avg)
$22.56 (Lifetime average)
Added Sep 14, 2013

3rd Party New

Last Seen $6.42 Mar 31, '16
Highest $15.18 May 3, '14
Lowest $3.71 Jun 10, '15
Average $6.42 (30d avg)
$6.42 (90d avg)
$5.89 (180d avg)
$5.30 (365d avg)
$7.91 (Lifetime average)
Added Sep 14, 2013

3rd Party Used

Last Seen $0.01 Mar 31, '16
Highest $3.56 Sep 26, '14
Lowest $0.01 Apr 26, '15
Average $0.01 (30d avg)
$0.01 (90d avg)
$0.01 (180d avg)
$0.01 (365d avg)
$0.19 (Lifetime average)
Added Sep 14, 2013

Sales Rank

30 day average: 896,368
90 day average: 772,113

Product Description

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