Buy from Amazon
$37.30 $0.16
$40.00
$30.00
$20.00
$10.00
Oct
Dec
Feb
Apr
Jun
Aug
Oct
Dec
Feb
Apr
Jun
2015
2016
$36.47, Aug 21 - Nov 22 $23.24, Aug 21 - Sep 14 $15.99, Aug 21 - Sep 12 $36.47, Aug 21 - Nov 22 $23.24, Aug 21 - Sep 14 $22.00, Sep 14 - Sep 23 $36.47, Aug 21 - Nov 22 $30.41, Sep 15 - Sep 20 $22.00, Sep 14 - Sep 23 $36.47, Aug 21 - Nov 22 $30.05, Sep 23 3:20 am $22.00, Sep 14 - Sep 23 $36.47, Aug 21 - Nov 22 $30.01, Sep 24 2:34 am $22.70, Sep 24 - Oct 7 $36.47, Aug 21 - Nov 22 $26.69, Sep 26 3:06 am $22.70, Sep 24 - Oct 7 $36.47, Aug 21 - Nov 22 $25.24, Sep 28 3:26 am $22.70, Sep 24 - Oct 7 $36.47, Aug 21 - Nov 22 $26.67, Sep 30 4:24 am $22.70, Sep 24 - Oct 7 $36.47, Aug 21 - Nov 22 $30.01, Oct 2 - Oct 27 $22.70, Sep 24 - Oct 7 $36.47, Aug 21 - Nov 22 $30.01, Oct 2 - Oct 27 $16.00, Oct 9 - Nov 1 $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $16.00, Oct 9 - Nov 1 $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $22.70, Nov 8 6:11 am $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $22.63, Nov 13 2:42 pm $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $22.55, Nov 17 12:10 pm $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $19.97, Nov 20 2:25 am $36.47, Aug 21 - Nov 22 $28.83, Nov 1 - Nov 22 $19.94, Nov 22 4:42 am $36.10, Nov 24 - Nov 28 $28.50, Nov 24 - Mar 27 $19.91, Nov 24 4:46 am $36.10, Nov 24 - Nov 28 $28.50, Nov 24 - Mar 27 $19.86, Nov 26 4:18 am $36.10, Nov 24 - Nov 28 $28.50, Nov 24 - Mar 27 $19.82, Nov 28 2:30 am $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.77, Nov 29 10:10 pm $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.73, Dec 1 9:10 pm $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.68, Dec 3 7:22 pm $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.65, Dec 5 5:40 pm $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.60, Dec 7 4:13 pm $36.90, Nov 29 - Dec 9 $28.50, Nov 24 - Mar 27 $19.55, Dec 9 5:13 pm $37.30, Dec 11 - Dec 13 $28.50, Nov 24 - Mar 27 $19.50, Dec 11 6:07 pm $37.30, Dec 11 - Dec 13 $28.50, Nov 24 - Mar 27 $18.95, Dec 13 5:52 pm $36.65, Dec 15 - Dec 26 $28.50, Nov 24 - Mar 27 $18.90, Dec 15 3:41 pm $36.65, Dec 15 - Dec 26 $28.50, Nov 24 - Mar 27 $18.85, Dec 17 3:05 pm $36.65, Dec 15 - Dec 26 $28.50, Nov 24 - Mar 27 $18.72, Dec 23 10:30 am $36.65, Dec 15 - Dec 26 $28.50, Nov 24 - Mar 27 $18.70, Dec 24 7:33 am $36.65, Dec 15 - Dec 26 $28.50, Nov 24 - Mar 27 $18.64, Dec 26 8:41 am $36.46, Dec 27 - Jan 3 $28.50, Nov 24 - Mar 27 $18.61, Dec 27 6:50 pm $36.46, Dec 27 - Jan 3 $28.50, Nov 24 - Mar 27 $18.58, Dec 29 3:59 am $36.46, Dec 27 - Jan 3 $28.50, Nov 24 - Mar 27 $18.53, Dec 30 9:37 pm $36.46, Dec 27 - Jan 3 $28.50, Nov 24 - Mar 27 $18.49, Jan 1 11:43 am $36.46, Dec 27 - Jan 3 $28.50, Nov 24 - Mar 27 $18.46, Jan 3 7:32 am $36.27, Jan 4 - Jan 9 $28.50, Nov 24 - Mar 27 $18.42, Jan 4 12:32 pm $36.27, Jan 4 - Jan 9 $28.50, Nov 24 - Mar 27 $18.38, Jan 6 2:52 pm $36.27, Jan 4 - Jan 9 $28.50, Nov 24 - Mar 27 $18.35, Jan 7 6:15 pm $36.27, Jan 4 - Jan 9 $28.50, Nov 24 - Mar 27 $17.53, Jan 9 10:19 pm $37.30, Jan 11 - Jan 17 $28.50, Nov 24 - Mar 27 $16.39, Jan 11 2:16 am $37.30, Jan 11 - Jan 17 $28.50, Nov 24 - Mar 27 $14.73, Jan 12 10:15 am $37.30, Jan 11 - Jan 17 $28.50, Nov 24 - Mar 27 $13.49, Jan 13 10:47 pm $37.30, Jan 11 - Jan 17 $28.50, Nov 24 - Mar 27 $12.63, Jan 15 3:54 pm $37.30, Jan 11 - Jan 17 $28.50, Nov 24 - Mar 27 $12.58, Jan 17 6:24 am $37.11, Jan 18 - Jan 23 $28.50, Nov 24 - Mar 27 $12.54, Jan 18 10:41 pm $37.11, Jan 18 - Jan 23 $28.50, Nov 24 - Mar 27 $12.49, Jan 20 2:18 pm $37.11, Jan 18 - Jan 23 $28.50, Nov 24 - Mar 27 $12.45, Jan 22 5:06 am $37.11, Jan 18 - Jan 23 $28.50, Nov 24 - Mar 27 $12.40, Jan 23 7:11 pm $36.92, Jan 25 - Jan 30 $28.50, Nov 24 - Mar 27 $12.36, Jan 25 10:54 am $36.92, Jan 25 - Jan 30 $28.50, Nov 24 - Mar 27 $12.31, Jan 27 2:46 am $36.92, Jan 25 - Jan 30 $28.50, Nov 24 - Mar 27 $12.27, Jan 28 7:26 pm $36.92, Jan 25 - Jan 30 $28.50, Nov 24 - Mar 27 $12.23, Jan 30 12:30 pm $36.73, Feb 1 - Feb 5 $28.50, Nov 24 - Mar 27 $12.18, Feb 1 - Feb 3 $36.73, Feb 1 - Feb 5 $28.50, Nov 24 - Mar 27 $11.81, Feb 4 - Feb 7 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $11.81, Feb 4 - Feb 7 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $11.46, Feb 9 - Feb 11 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $11.12, Feb 12 - Feb 14 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $10.79, Feb 16 - Feb 20 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $19.99, Feb 22 - Feb 24 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $15.99, Feb 26 - Feb 28 $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $19.11, Mar 2 9:13 pm $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $15.98, Mar 4 6:14 pm $37.30, Feb 7 - Mar 6 $28.50, Nov 24 - Mar 27 $15.94, Mar 6 5:22 pm $37.29, Mar 8 - Mar 15 $28.50, Nov 24 - Mar 27 $15.91, Mar 8 4:35 pm $37.29, Mar 8 - Mar 15 $28.50, Nov 24 - Mar 27 $15.87, Mar 11 12:21 am $37.29, Mar 8 - Mar 15 $28.50, Nov 24 - Mar 27 $12.97, Mar 13 6:22 am $37.29, Mar 8 - Mar 15 $28.50, Nov 24 - Mar 27 $12.92, Mar 15 1:45 pm $37.30, Mar 18 - Mar 22 $28.50, Nov 24 - Mar 27 $12.87, Mar 18 3:05 am $37.30, Mar 18 - Mar 22 $28.50, Nov 24 - Mar 27 $12.61, Mar 20 10:43 am $37.30, Mar 18 - Mar 22 $28.50, Nov 24 - Mar 27 $12.02, Mar 22 8:05 pm $36.92, Mar 25 - Mar 29 $28.50, Nov 24 - Mar 27 $12.99, Mar 25 - Mar 29 $36.92, Mar 25 - Mar 29 $28.21, Mar 29 5:42 pm $12.99, Mar 25 - Mar 29 $36.55, Apr 1 - Apr 6 $26.56, Apr 1 3:40 am $16.98, Apr 1 3:40 am $36.55, Apr 1 - Apr 6 $24.75, Apr 3 7:52 pm $12.96, Apr 3 7:52 pm $36.55, Apr 1 - Apr 6 $23.29, Apr 6 10:46 am $12.83, Apr 6 10:46 am $36.18, Apr 9 - Apr 12 $21.49, Apr 9 3:56 am $12.69, Apr 9 3:56 am $36.18, Apr 9 - Apr 12 $20.24, Apr 12 1:52 am $12.57, Apr 12 1:52 am $35.81, Apr 15 - Apr 20 $19.25, Apr 15 12:38 am $12.59, Apr 15 12:38 am $35.81, Apr 15 - Apr 20 $18.49, Apr 17 1:34 pm $12.57, Apr 17 - Apr 20 $35.81, Apr 15 - Apr 20 $17.07, Apr 20 5:11 am $12.57, Apr 17 - Apr 20 $35.45, Apr 22 10:49 pm $16.07, Apr 22 10:49 pm $12.52, Apr 22 10:49 pm $35.45, Apr 25 - May 4 $15.43, Apr 25 9:07 pm $12.47, Apr 25 9:07 pm $35.45, Apr 25 - May 4 $14.38, Apr 28 9:33 pm $12.40, Apr 28 9:33 pm $35.45, Apr 25 - May 4 $13.68, May 1 5:18 pm $11.74, May 1 5:18 pm $35.45, Apr 25 - May 4 $13.01, May 4 7:59 am $10.68, May 4 7:59 am $35.09, May 7 - May 11 $30.05, May 7 - May 16 $9.75, May 7 8:17 am $35.09, May 7 - May 11 $30.05, May 7 - May 16 $8.48, May 11 5:14 am $34.73, May 12 - May 16 $30.05, May 7 - May 16 $7.90, May 12 7:26 pm $34.73, May 12 - May 16 $30.05, May 7 - May 16 $6.80, May 16 6:59 am $34.38, May 20 - May 29 $29.62, May 20 2:23 pm $5.86, May 20 2:23 pm $34.38, May 20 - May 29 $29.18, May 24 4:35 pm $4.89, May 24 4:35 pm $34.38, May 20 - May 29 $29.64, May 29 2:59 am $3.98, May 29 2:59 am $34.03, Jun 2 - Jun 7 $29.71, Jun 2 6:03 pm $3.06, Jun 2 6:03 pm $34.03, Jun 2 - Jun 7 $29.06, Jun 7 8:38 am $2.56, Jun 7 8:38 am $33.69, Jun 11 - Jun 18 $28.00, Jun 11 9:05 am $1.78, Jun 11 9:05 am $33.69, Jun 11 - Jun 18 $25.74, Jun 15 4:10 am $1.01, Jun 15 4:10 am $33.69, Jun 11 - Jun 18 $29.23, Jun 18 - Jun 22 $0.39, Jun 18 10:27 pm $33.35, Jun 22 - Jul 2 $29.23, Jun 18 - Jun 22 $0.18, Jun 22 3:50 pm $33.35, Jun 22 - Jul 2 $29.29, Jun 24 1:54 pm $0.16, Jun 24 1:54 pm $33.35, Jun 22 - Jul 2 $29.35, Jun 28 4:19 pm $7.07, Jun 28 4:19 pm $33.35, Jun 22 - Jul 2 $29.25, Jul 2 7:36 pm $9.96, Jul 2 7:36 pm $33.01, Jul 7 3:07 am $29.01, Jul 7 3:07 am $9.93, Jul 7 3:07 am $32.67, Jul 12 - Jul 16 $28.67, Jul 12 - Jul 16 $9.98, Jul 12 - Jul 19 $32.34, Jul 19 - Jul 23 $28.34, Jul 19 10:24 pm $9.98, Jul 12 - Jul 19 $32.34, Jul 19 - Jul 23 $28.05, Jul 23 11:14 am $16.74, Jul 23 11:14 am $32.18, Jul 27 - Jul 30 $27.91, Jul 27 12:52 am $25.15, Jul 27 12:52 am $32.18, Jul 27 - Jul 30 $27.63, Jul 30 2:59 pm $24.10, Jul 30 2:59 pm $30.57, Aug 3 - Aug 6 $26.57, Aug 3 4:57 am $23.10, Aug 3 4:57 am $30.57, Aug 3 - Aug 6 $28.66, Aug 6 - Aug 10 $21.55, Aug 6 8:24 pm $29.04, Aug 10 - Aug 14 $28.66, Aug 6 - Aug 10 $23.04, Aug 10 - Aug 14 $29.04, Aug 10 - Aug 14 $28.87, Aug 14 11:20 am $23.04, Aug 10 - Aug 14 $28.87, Aug 14 11:20 am $27.58, Aug 18 5:00 am $19.89, Aug 18 5:00 am $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $19.77, Aug 21 11:41 pm $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $19.62, Aug 25 5:49 pm $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $19.16, Aug 29 12:07 pm $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $17.56, Sep 2 5:42 am $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $15.16, Sep 6 3:38 am $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $12.24, Sep 10 1:53 am $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $9.66, Sep 13 10:14 pm $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $7.76, Sep 17 7:19 pm $28.87, Aug 14 11:20 am $26.80, Aug 21 - Feb 13 $6.66, Sep 21 4:46 pm $26.80, Aug 21 - Feb 13 $26.62, Sep 25 3:26 pm $7.77, Sep 25 - Oct 11 $26.80, Aug 21 - Feb 13 $26.34, Sep 29 1:40 pm $7.77, Sep 25 - Oct 11 $26.80, Aug 21 - Feb 13 $26.26, Oct 3 3:05 pm $7.77, Sep 25 - Oct 11 $26.80, Aug 21 - Feb 13 $26.16, Oct 7 5:55 pm $7.77, Sep 25 - Oct 11 $26.80, Aug 21 - Feb 13 $26.07, Oct 11 8:08 pm $7.77, Sep 25 - Oct 11 $26.80, Aug 21 - Feb 13 $25.78, Oct 15 7:02 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $25.68, Oct 17 6:29 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $25.62, Oct 21 - Nov 6 $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $20.62, Nov 10 4:18 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $20.49, Nov 14 6:26 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $20.29, Nov 19 3:31 am $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $20.22, Nov 21 8:52 am $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $20.00, Nov 25 7:24 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $19.78, Nov 30 1:25 pm $7.93, Oct 15 - Nov 30 $26.80, Aug 21 - Feb 13 $19.50, Dec 5 - Dec 23 $19.42, Dec 5 10:39 am $26.80, Aug 21 - Feb 13 $19.50, Dec 5 - Dec 23 $19.13, Dec 10 1:23 pm $26.80, Aug 21 - Feb 13 $19.50, Dec 5 - Dec 23 $19.08, Dec 13 - Dec 28 $26.80, Aug 21 - Feb 13 $19.08, Dec 13 - Dec 28 $18.79, Dec 28 7:49 am $26.80, Aug 21 - Feb 13 $18.91, Jan 2 2:25 am $18.52, Jan 2 2:25 am $26.80, Aug 21 - Feb 13 $18.86, Jan 6 11:18 pm $18.13, Jan 6 11:18 pm $26.80, Aug 21 - Feb 13 $18.81, Jan 11 9:03 pm $17.57, Jan 11 9:03 pm $26.80, Aug 21 - Feb 13 $18.68, Jan 16 - Jan 19 $17.11, Jan 16 8:01 pm $26.80, Aug 21 - Feb 13 $18.68, Jan 16 - Jan 19 $16.86, Jan 19 8:58 am $26.80, Aug 21 - Feb 13 $18.65, Jan 24 9:56 am $16.60, Jan 24 9:56 am $26.80, Aug 21 - Feb 13 $18.55, Jan 29 - Feb 8 $16.83, Jan 29 10:29 am $26.80, Aug 21 - Feb 13 $18.55, Jan 29 - Feb 8 $16.85, Feb 3 11:13 am $26.80, Aug 21 - Feb 13 $18.55, Jan 29 - Feb 8 $16.50, Feb 8 12:56 pm $26.80, Aug 21 - Feb 13 $18.49, Feb 13 6:32 pm $15.05, Feb 13 6:32 pm $34.84, Feb 19 2:48 am $18.39, Feb 19 2:48 am $14.54, Feb 19 - Feb 24 $37.30, Feb 24 - Mar 5 $18.29, Feb 24 3:28 pm $14.54, Feb 19 - Feb 24 $37.30, Feb 24 - Mar 5 $18.15, Mar 5 2:05 am $6.65, Mar 5 2:05 am $35.43, Mar 16 - Apr 20 $17.54, Mar 16 3:50 pm $11.98, Mar 16 3:50 pm $35.43, Mar 16 - Apr 20 $17.38, Mar 28 5:02 am $14.99, Mar 28 5:02 am $35.43, Mar 16 - Apr 20 $17.27, Apr 3 2:27 am $16.48, Apr 3 2:27 am $35.43, Mar 16 - Apr 20 $17.14, Apr 8 9:17 pm $12.28, Apr 8 9:17 pm $35.43, Mar 16 - Apr 20 $17.09, Apr 20 4:59 pm $2.41, Apr 20 4:59 pm
103,285 1,583,095
1,953,125
976,563
488,281
Oct
Dec
Feb
Apr
Jun
Aug
Oct
Dec
Feb
Apr
Jun
2015
2016
Price Details
New
Latest
$35.43 1 day ago
Highest
$37.30 Feb 24, '16
Lowest
$26.80 Aug 21, '15
Average
$35.43 (30d avg) $33.10 (90d avg) $29.95 (180d avg) $30.47 (365d avg) $32.98 (Lifetime average)
Added
Aug 21, 2014
3rd Party New
Latest
$17.09 1 day ago
Highest
$30.41 Sep 15, '14
Lowest
$13.01 May 4, '15
Average
$17.23 (30d avg) $17.97 (90d avg) $19.33 (180d avg) $23.36 (365d avg) $25.05 (Lifetime average)
Added
Aug 21, 2014
3rd Party Used
Latest
$2.41 1 day ago
Highest
$25.15 Jul 27, '15
Lowest
$0.16 Jun 24, '15
Average
$13.99 (30d avg) $13.54 (90d avg) $13.62 (180d avg) $12.17 (365d avg) $13.94 (Lifetime average)
Added
Aug 21, 2014
Sales Rank
30 day average: 863,892 90 day average: 806,217
Product Description
This example-driven workbook shows how to unleash the significant power of refactoring and improve your software. It aims to help identify where problems in a software application exist or are likely to exist.
Back to store list