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  • Cool Penguins (Science Vocabulary Readers)

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Buy from Amazon $7.42$0.01 $5.00 $2.50 Jul Sep Nov Jan Mar May Jul Sep Nov Jan Mar May 2014 2015 2016 $7.41, May 6 6:49 am$0.01, May 6 - Apr 24$7.37, May 7 - May 9$0.01, May 6 - Apr 24$7.33, May 9 - May 13$0.01, May 6 - Apr 24$7.03, May 14 12:46 am$0.01, May 6 - Apr 24$7.26, May 15 9:26 am$0.01, May 6 - Apr 24$6.96, May 17 2:34 pm$0.01, May 6 - Apr 24$6.90, May 20 - May 21$0.01, May 6 - Apr 24$7.13, May 21 - May 22$0.01, May 6 - Apr 24$6.79, May 23 - May 24$0.01, May 6 - Apr 24$6.76, May 25 9:02 pm$0.01, May 6 - Apr 24$6.69, May 27 - May 29$0.01, May 6 - Apr 24$6.88, May 31 2:17 am$0.01, May 6 - Apr 24$6.85, May 31 - Jun 1$0.01, May 6 - Apr 24$6.78, Jun 3 - Jun 4$0.01, May 6 - Apr 24$6.75, Jun 5 9:50 am$0.01, May 6 - Apr 24$6.68, Jun 7 - Jun 10$0.01, May 6 - Apr 24$6.62, Jun 11 9:07 am$0.01, May 6 - Apr 24$6.60, Jun 12 3:40 am$0.01, May 6 - Apr 24$6.53, Jun 15 3:37 am$0.01, May 6 - Apr 24$6.50, Jun 16 - Jun 18$0.01, May 6 - Apr 24$6.46, Jun 18 8:31 pm$0.01, May 6 - Apr 24$6.22, Jun 19 - Jun 20$0.01, May 6 - Apr 24$6.40, Jun 22 - Jun 23$0.01, May 6 - Apr 24$6.37, Jun 24 3:45 am$0.01, May 6 - Apr 24$6.34, Jun 25 - Jun 26$0.01, May 6 - Apr 24$6.30, Jun 27 - Jun 29$0.01, May 6 - Apr 24$6.24, Jul 1 - Jul 2$0.01, May 6 - Apr 24$5.97, Jul 3 7:10 pm$0.01, May 6 - Apr 24$6.21, Jul 4 10:50 pm$0.01, May 6 - Apr 24$6.15, Jul 7 - Jul 8$0.01, May 6 - Apr 24$6.09, Jul 11 6:18 am$0.01, May 6 - Apr 24$6.06, Jul 12 11:03 am$0.01, May 6 - Apr 24$6.00, Jul 15 6:04 am$0.01, May 6 - Apr 24$5.97, Jul 16 4:10 pm$0.01, May 6 - Apr 24$5.94, Jul 18 2:52 am$0.01, May 6 - Apr 24$5.91, Jul 19 - Jul 20$0.01, May 6 - Apr 24$5.88, Jul 21 - Jul 22$0.01, May 6 - Apr 24$5.85, Jul 24 3:17 pm$0.01, May 6 - Apr 24$5.82, Jul 25 - Jul 26$0.01, May 6 - Apr 24$5.79, Jul 28 9:01 am$0.01, May 6 - Apr 24$5.54, Jul 29 - Jul 30$0.01, May 6 - Apr 24$5.71, Aug 1 1:30 am$0.01, May 6 - Apr 24$5.68, Aug 2 - Aug 3$0.01, May 6 - Apr 24$5.65, Aug 4 - Aug 5$0.01, May 6 - Apr 24$5.59, Aug 7 - Aug 8$0.01, May 6 - Apr 24$5.56, Aug 9 - Aug 10$0.01, May 6 - Apr 24$5.33, Aug 11 4:45 pm$0.01, May 6 - Apr 24$5.51, Aug 13 2:07 pm$0.01, May 6 - Apr 24$5.48, Aug 14 - Aug 15$0.01, May 6 - Apr 24$5.25, Aug 17 3:13 pm$0.01, May 6 - Apr 24$5.43, Aug 18 2:26 pm$0.01, May 6 - Apr 24$5.37, Aug 20 9:58 pm$0.01, May 6 - Apr 24$7.42, Aug 22 - Aug 23$0.01, May 6 - Apr 24$5.27, Aug 24 10:55 pm$0.01, May 6 - Apr 24$5.24, Aug 27 1:17 am$0.01, May 6 - Apr 24$5.22, Aug 28 4:07 am$0.01, May 6 - Apr 24$5.16, Aug 30 8:04 am$0.01, May 6 - Apr 24$5.13, Sep 1 12:39 pm$0.01, May 6 - Apr 24$5.11, Sep 3 6:35 pm$0.01, May 6 - Apr 24$5.08, Sep 5 11:49 pm$0.01, May 6 - Apr 24$4.87, Sep 8 5:10 am$0.01, May 6 - Apr 24$5.03, Sep 10 12:12 pm$0.01, May 6 - Apr 24$5.01, Sep 12 6:14 pm$0.01, May 6 - Apr 24$4.98, Sep 14 4:07 pm$0.01, May 6 - Apr 24$4.96, Sep 16 4:13 pm$0.01, May 6 - Apr 24$4.93, Sep 18 5:37 pm$0.01, May 6 - Apr 24$4.91, Sep 20 6:22 pm$0.01, May 6 - Apr 24$4.84, Sep 23 3:49 am$0.01, May 6 - Apr 24$4.81, Sep 25 8:01 am$0.01, May 6 - Apr 24$4.60, Sep 27 10:39 am$0.01, May 6 - Apr 24$4.57, Sep 29 12:25 pm$0.01, May 6 - Apr 24$4.52, Oct 1 2:51 pm$0.01, May 6 - Apr 24$4.49, Oct 3 5:12 pm$0.01, May 6 - Apr 24$4.46, Oct 5 6:30 pm$0.01, May 6 - Apr 24$4.43, Oct 7 8:49 pm$0.01, May 6 - Apr 24$4.38, Oct 10 2:26 am$0.01, May 6 - Apr 24$4.33, Oct 12 4:02 am$0.01, May 6 - Apr 24$4.29, Oct 14 6:54 am$0.01, May 6 - Apr 24$4.24, Oct 16 10:28 am$0.01, May 6 - Apr 24$4.20, Oct 18 3:35 pm$0.01, May 6 - Apr 24$4.15, Oct 20 10:07 pm$0.01, May 6 - Apr 24$4.11, Oct 23 7:51 am$0.01, May 6 - Apr 24$4.00, Oct 28 1:50 pm$0.01, May 6 - Apr 24$3.93, Nov 3 12:03 am$0.01, May 6 - Apr 24$3.87, Nov 9 12:19 pm$0.01, May 6 - Apr 24$3.81, Nov 14 11:14 pm$0.01, May 6 - Apr 24$3.78, Nov 18 7:26 am$0.01, May 6 - Apr 24$3.76, Nov 20 2:00 pm$0.01, May 6 - Apr 24$3.74, Nov 22 4:56 pm$0.01, May 6 - Apr 24$3.71, Nov 24 6:30 pm$0.01, May 6 - Apr 24$3.70, Nov 26 4:56 pm$0.01, May 6 - Apr 24$3.67, Nov 28 3:12 pm$0.01, May 6 - Apr 24$3.66, Nov 30 1:12 pm$0.01, May 6 - Apr 24$3.64, Dec 2 11:57 am$0.01, May 6 - Apr 24$3.55, Dec 4 11:01 am$0.01, May 6 - Apr 24$3.51, Dec 6 8:42 am$0.01, May 6 - Apr 24$3.46, Dec 8 9:08 am$0.01, May 6 - Apr 24$3.41, Dec 10 3:47 pm$0.01, May 6 - Apr 24$3.36, Dec 12 12:34 pm$0.01, May 6 - Apr 24$3.33, Dec 14 10:43 am$0.01, May 6 - Apr 24$3.27, Dec 16 10:16 am$0.01, May 6 - Apr 24$3.26, Dec 18 8:55 am$0.01, May 6 - Apr 24$3.22, Dec 22 - Dec 24$0.01, May 6 - Apr 24$3.18, Dec 26 - Dec 27$0.01, May 6 - Apr 24$3.16, Dec 29 2:59 am$0.01, May 6 - Apr 24$3.13, Dec 31 1:25 pm$0.01, May 6 - Apr 24$3.12, Jan 2 7:49 am$0.01, May 6 - Apr 24$3.09, Jan 4 2:07 am$0.01, May 6 - Apr 24$3.07, Jan 6 - Jan 7$0.01, May 6 - Apr 24$3.06, Jan 8 7:10 am$0.01, May 6 - Apr 24$3.03, Jan 10 10:57 am$0.01, May 6 - Apr 24$3.02, Jan 11 4:49 pm$0.01, May 6 - Apr 24$3.01, Jan 13 2:52 am$0.01, May 6 - Apr 24$2.99, Jan 14 7:31 pm$0.01, May 6 - Apr 24$2.96, Jan 16 - Jan 18$0.01, May 6 - Apr 24$2.94, Jan 19 6:29 pm$0.01, May 6 - Apr 24$2.92, Jan 21 8:53 am$0.01, May 6 - Apr 24$2.90, Jan 23 12:10 am$0.01, May 6 - Apr 24$2.88, Jan 24 - Jan 26$0.01, May 6 - Apr 24$2.86, Jan 28 12:30 am$0.01, May 6 - Apr 24$2.84, Jan 29 5:03 pm$0.01, May 6 - Apr 24$2.82, Jan 31 - Feb 1$0.01, May 6 - Apr 24$2.80, Feb 2 7:45 am$0.01, May 6 - Apr 24$2.78, Feb 4 3:33 am$0.01, May 6 - Apr 24$2.74, Feb 7 3:54 pm$0.01, May 6 - Apr 24$2.72, Feb 9 11:08 am$0.01, May 6 - Apr 24$2.68, Feb 11 6:56 am$0.01, May 6 - Apr 24$2.64, Feb 13 2:21 am$0.01, May 6 - Apr 24$2.60, Feb 14 10:24 pm$0.01, May 6 - Apr 24$2.56, Feb 16 10:32 pm$0.01, May 6 - Apr 24$2.52, Feb 18 6:47 pm$0.01, May 6 - Apr 24$2.48, Feb 20 3:59 pm$0.01, May 6 - Apr 24$2.46, Feb 21 3:48 pm$0.01, May 6 - Apr 24$2.42, Feb 23 1:52 pm$0.01, May 6 - Apr 24$2.40, Feb 25 11:55 am$0.01, May 6 - Apr 24$2.36, Feb 27 10:02 am$0.01, May 6 - Apr 24$2.32, Mar 1 9:00 am$0.01, May 6 - Apr 24$2.30, Mar 3 2:11 pm$0.01, May 6 - Apr 24$2.26, Mar 5 5:22 pm$0.01, May 6 - Apr 24$2.24, Mar 7 6:08 pm$0.01, May 6 - Apr 24$2.18, Mar 9 7:52 pm$0.01, May 6 - Apr 24$2.16, Mar 12 4:52 am$0.01, May 6 - Apr 24$2.14, Mar 14 11:59 am$0.01, May 6 - Apr 24$2.08, Mar 17 9:45 am$0.01, May 6 - Apr 24$2.02, Mar 19 3:59 pm$0.01, May 6 - Apr 24$1.99, Mar 21 9:17 pm$0.01, May 6 - Apr 24$1.98, Mar 24 4:40 am$0.01, May 6 - Apr 24$1.97, Mar 26 11:43 am$0.01, May 6 - Apr 24$2.94, Mar 28 7:21 pm$0.01, May 6 - Apr 24$1.95, Mar 31 5:20 am$0.01, May 6 - Apr 24$1.93, Apr 2 7:21 pm$0.01, May 6 - Apr 24$1.91, Apr 5 10:09 am$0.01, May 6 - Apr 24$1.89, Apr 8 1:56 am$0.01, May 6 - Apr 24$1.88, Apr 10 7:11 pm$0.01, May 6 - Apr 24$1.85, Apr 13 2:57 pm$0.01, May 6 - Apr 24$1.83, Apr 16 8:13 am$0.01, May 6 - Apr 24$1.81, Apr 19 12:59 am$0.01, May 6 - Apr 24$1.79, Apr 21 4:25 pm$0.01, May 6 - Apr 24$1.77, Apr 24 10:45 am$0.01, May 6 - Apr 24$1.75, Apr 27 12:38 pm$0.01, Apr 27 - Apr 15$1.72, Apr 30 9:46 am$0.01, Apr 27 - Apr 15$1.70, May 3 2:52 am$0.01, Apr 27 - Apr 15$1.67, May 5 9:23 pm$0.01, Apr 27 - Apr 15$1.64, May 9 11:37 pm$0.01, Apr 27 - Apr 15$1.61, May 13 4:11 am$0.01, Apr 27 - Apr 15$1.58, May 16 3:54 pm$0.01, Apr 27 - Apr 15$1.55, May 21 12:05 am$0.01, Apr 27 - Apr 15$1.52, May 25 2:13 am$0.01, Apr 27 - Apr 15$1.49, May 29 1:06 pm$0.01, Apr 27 - Apr 15$1.45, Jun 3 4:36 am$0.01, Apr 27 - Apr 15$1.41, Jun 7 9:14 pm$0.01, Apr 27 - Apr 15$1.37, Jun 11 7:50 pm$0.01, Apr 27 - Apr 15$1.35, Jun 15 2:38 pm$0.01, Apr 27 - Apr 15$1.31, Jun 19 - Jun 23$0.01, Apr 27 - Apr 15$1.22, Jun 26 10:29 pm$0.01, Apr 27 - Apr 15$1.11, Jun 30 11:38 pm$0.01, Apr 27 - Apr 15$1.00, Jul 5 7:24 am$0.01, Apr 27 - Apr 15$0.83, Jul 10 7:55 pm$0.01, Apr 27 - Apr 15$0.73, Jul 14 4:48 pm$0.01, Apr 27 - Apr 15$0.65, Jul 18 7:54 am$0.01, Apr 27 - Apr 15$0.58, Jul 22 12:03 am$0.01, Apr 27 - Apr 15$0.51, Jul 25 2:00 pm$0.01, Apr 27 - Apr 15$0.44, Jul 29 3:35 am$0.01, Apr 27 - Apr 15$0.36, Aug 1 5:55 pm$0.01, Apr 27 - Apr 15$0.29, Aug 5 9:07 am$0.01, Apr 27 - Apr 15$0.21, Aug 9 3:18 am$0.01, Apr 27 - Apr 15$0.13, Aug 12 10:02 pm$0.01, Apr 27 - Apr 15$0.05, Aug 16 3:48 pm$0.01, Apr 27 - Apr 15$0.01, Apr 27 - Apr 15$0.01, Aug 20 - Dec 28$0.02, Jan 2 6:00 am$0.01, Apr 27 - Apr 15$1.52, Jan 7 3:08 am$0.01, Apr 27 - Apr 15$0.02, Jan 12 - Jan 17$0.01, Apr 27 - Apr 15$0.01, Apr 27 - Apr 15$0.01, Jan 22 2:15 am$1.99, Jan 24 - Apr 15$0.01, Apr 27 - Apr 15 45,8002,078,767 2,343,750 1,562,500 781,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

3rd Party New

Last Seen $1.99 Apr 15, '16
Highest $7.42 Aug 22, '14
Lowest $0.01 Jan 22, '16
Average $1.99 (30d avg)
$1.80 (90d avg)
$0.95 (180d avg)
$0.87 (365d avg)
$2.55 (Lifetime average)
Added May 6, 2014

3rd Party Used

Last Seen $0.01 Apr 15, '16
Highest $0.01 Apr 27, '15
Lowest $0.01 Apr 27, '15
Average $0.01 (30d avg)
$0.01 (90d avg)
$0.01 (180d avg)
$0.01 (365d avg)
$0.01 (Lifetime average)
Added May 6, 2014

Sales Rank

30 day average: 1,388,670
90 day average: 799,105

Product Description

Great book!

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