Buy from Amazon
$24.48 $0.01
$20.00
$15.00
$10.00
$5.00
Dec
Mar
Jun
Sep
Dec
Mar
Jun
Sep
Dec
Mar
Jun
2014
2015
2016
$16.65, Sep 26 1:11 pm $16.81, Nov 20 - Dec 8 $16.89, Dec 10 - Dec 29 $16.97, Dec 31 - Jan 23 $17.05, Jan 24 - Feb 6 $17.13, Feb 6 - Feb 24 $17.20, Feb 24 - Apr 3 $19.14, Apr 4 - Apr 7 $17.27, Apr 7 - Apr 22 $17.34, Apr 23 - May 16 $17.34, Apr 23 - May 16 $9.97, May 3 - May 10 $0.51, May 3 11:07 am $17.34, Apr 23 - May 16 $9.97, May 3 - May 10 $0.33, May 6 12:14 am $17.34, Apr 23 - May 16 $9.97, May 3 - May 10 $0.23, May 8 - May 9 $17.34, Apr 23 - May 16 $9.97, May 3 - May 10 $0.18, May 10 12:24 pm $17.34, Apr 23 - May 16 $9.87, May 11 - Jun 8 $0.12, May 13 1:08 am $17.34, Apr 23 - May 16 $9.87, May 11 - Jun 8 $0.01, May 15 - May 27 $17.41, May 17 - May 27 $9.87, May 11 - Jun 8 $0.01, May 15 - May 27 $17.48, May 28 - Jun 20 $9.87, May 11 - Jun 8 $1.48, May 28 - May 31 $17.48, May 28 - Jun 20 $9.87, May 11 - Jun 8 $1.25, Jun 1 - Jun 4 $17.48, May 28 - Jun 20 $9.87, May 11 - Jun 8 $1.48, Jun 5 - Jun 6 $17.48, May 28 - Jun 20 $9.87, May 11 - Jun 8 $1.24, Jun 7 - Jun 8 $17.48, May 28 - Jun 20 $10.58, Jun 8 - Jun 12 $1.22, Jun 9 - Jun 13 $17.48, May 28 - Jun 20 $10.68, Jun 13 11:55 am $1.22, Jun 9 - Jun 13 $17.48, May 28 - Jun 20 $9.97, Jun 15 - Jun 18 $1.10, Jun 15 7:33 pm $17.48, May 28 - Jun 20 $9.97, Jun 15 - Jun 18 $1.06, Jun 18 5:41 am $17.48, May 28 - Jun 20 $9.97, Jun 20 - Jul 4 $1.00, Jun 19 - Jun 20 $17.55, Jun 21 - Jun 29 $9.97, Jun 20 - Jul 4 $0.90, Jun 22 6:07 pm $17.55, Jun 21 - Jun 29 $9.97, Jun 20 - Jul 4 $0.70, Jun 25 2:11 am $17.55, Jun 21 - Jun 29 $9.97, Jun 20 - Jul 4 $0.49, Jun 27 11:29 am $17.55, Jun 21 - Jun 29 $9.97, Jun 20 - Jul 4 $0.40, Jun 29 7:23 pm $17.62, Jun 30 - Jul 9 $9.97, Jun 20 - Jul 4 $0.33, Jul 1 5:41 pm $17.62, Jun 30 - Jul 9 $9.97, Jun 20 - Jul 4 $0.24, Jul 4 3:33 am $17.62, Jun 30 - Jul 9 $9.82, Jul 6 3:25 pm $0.14, Jul 6 3:25 pm $17.62, Jun 30 - Jul 9 $9.69, Jul 9 6:16 am $0.05, Jul 9 6:16 am $17.69, Jul 10 - Jul 19 $9.45, Jul 11 5:14 pm $0.01, Jul 11 - Aug 18 $17.69, Jul 10 - Jul 19 $9.31, Jul 14 8:20 am $0.01, Jul 11 - Aug 18 $17.69, Jul 10 - Jul 19 $9.26, Jul 17 12:19 am $0.01, Jul 11 - Aug 18 $17.69, Jul 10 - Jul 19 $9.23, Jul 18 - Jul 21 $0.01, Jul 11 - Aug 18 $17.76, Jul 20 - Jul 29 $9.23, Jul 18 - Jul 21 $0.01, Jul 11 - Aug 18 $17.76, Jul 20 - Jul 29 $9.21, Jul 22 - Jul 23 $0.01, Jul 11 - Aug 18 $17.76, Jul 20 - Jul 29 $9.17, Jul 26 - Jul 27 $0.01, Jul 11 - Aug 18 $17.76, Jul 20 - Jul 29 $9.15, Jul 28 5:12 am $0.01, Jul 11 - Aug 18 $17.83, Jul 30 - Aug 7 $8.97, Jul 29 - Jul 31 $0.01, Jul 11 - Aug 18 $17.83, Jul 30 - Aug 7 $8.88, Aug 2 - Aug 4 $0.01, Jul 11 - Aug 18 $17.83, Jul 30 - Aug 7 $8.80, Aug 7 - Aug 8 $0.01, Jul 11 - Aug 18 $17.90, Aug 8 - Aug 18 $8.76, Aug 9 - Aug 10 $0.01, Jul 11 - Aug 18 $17.90, Aug 8 - Aug 18 $8.72, Aug 11 1:14 pm $0.01, Jul 11 - Aug 18 $17.90, Aug 8 - Aug 18 $8.67, Aug 14 9:56 am $0.01, Jul 11 - Aug 18 $17.90, Aug 8 - Aug 18 $8.62, Aug 16 - Aug 18 $0.01, Jul 11 - Aug 18 $17.72, Aug 19 - Aug 25 $8.53, Aug 21 8:46 pm $1.23, Aug 20 - Aug 21 $17.72, Aug 19 - Aug 25 $8.50, Aug 23 - Aug 25 $1.16, Aug 23 8:10 pm $17.72, Aug 19 - Aug 25 $8.50, Aug 23 - Aug 25 $1.10, Aug 25 10:51 pm $17.54, Aug 26 - Sep 1 $8.67, Aug 29 2:40 am $1.03, Aug 29 2:40 am $17.54, Aug 26 - Sep 1 $8.65, Aug 30 - Sep 1 $0.89, Aug 30 5:50 am $17.54, Aug 26 - Sep 1 $8.65, Aug 30 - Sep 1 $0.53, Sep 1 10:36 am $17.36, Sep 3 - Sep 8 $8.59, Sep 3 4:30 pm $0.16, Sep 3 4:30 pm $17.36, Sep 3 - Sep 8 $8.55, Sep 5 9:41 pm $0.09, Sep 5 9:41 pm $17.36, Sep 3 - Sep 8 $8.53, Sep 8 5:11 am $0.48, Sep 8 5:11 am $17.18, Sep 10 - Sep 16 $8.50, Sep 10 12:15 pm $0.45, Sep 10 12:15 pm $17.18, Sep 10 - Sep 16 $7.98, Sep 14 3:53 pm $0.30, Sep 14 3:53 pm $17.18, Sep 10 - Sep 16 $7.94, Sep 16 2:48 am $0.27, Sep 16 2:48 am $17.00, Sep 18 - Sep 24 $7.80, Sep 18 - Sep 24 $0.45, Sep 18 4:45 am $17.00, Sep 18 - Sep 24 $7.80, Sep 18 - Sep 24 $0.50, Sep 20 - Oct 3 $16.83, Sep 26 - Oct 1 $7.69, Sep 26 - Oct 7 $0.50, Sep 20 - Oct 3 $16.66, Oct 3 - Oct 7 $7.69, Sep 26 - Oct 7 $0.50, Sep 20 - Oct 3 $16.66, Oct 3 - Oct 7 $7.69, Sep 26 - Oct 7 $0.48, Oct 5 6:38 am $16.66, Oct 3 - Oct 7 $7.69, Sep 26 - Oct 7 $0.44, Oct 7 8:43 am $16.49, Oct 9 - Oct 15 $7.64, Oct 9 11:29 am $0.34, Oct 9 11:29 am $16.49, Oct 9 - Oct 15 $7.52, Oct 13 4:09 pm $0.01, Oct 13 - Jan 1 $16.49, Oct 9 - Oct 15 $7.45, Oct 15 8:00 pm $0.01, Oct 13 - Jan 1 $16.32, Oct 17 - Oct 21 $7.43, Oct 17 6:02 am $0.01, Oct 13 - Jan 1 $16.32, Oct 17 - Oct 21 $7.35, Oct 19 10:13 am $0.01, Oct 13 - Jan 1 $16.32, Oct 17 - Oct 21 $7.32, Oct 21 2:53 pm $0.01, Oct 13 - Jan 1 $16.15, Oct 23 - Nov 7 $5.27, Oct 23 10:16 pm $0.01, Oct 13 - Jan 1 $16.15, Oct 23 - Nov 7 $6.79, Oct 25 8:49 pm $0.01, Oct 13 - Jan 1 $16.15, Oct 23 - Nov 7 $7.15, Oct 31 7:03 am $0.01, Oct 13 - Jan 1 $16.15, Oct 23 - Nov 7 $4.00, Nov 7 - Nov 27 $0.01, Oct 13 - Jan 1 $15.82, Nov 12 - Nov 19 $4.00, Nov 7 - Nov 27 $0.01, Oct 13 - Jan 1 $15.66, Nov 21 - Nov 23 $4.00, Nov 7 - Nov 27 $0.01, Oct 13 - Jan 1 $15.50, Nov 25 - Dec 1 $4.00, Nov 7 - Nov 27 $0.01, Oct 13 - Jan 1 $15.50, Nov 25 - Dec 1 $4.50, Nov 29 5:58 pm $0.01, Oct 13 - Jan 1 $15.50, Nov 25 - Dec 1 $6.65, Dec 1 5:07 pm $0.01, Oct 13 - Jan 1 $15.42, Dec 3 - Dec 9 $6.63, Dec 3 - Dec 5 $0.01, Oct 13 - Jan 1 $15.42, Dec 3 - Dec 9 $6.59, Dec 7 - Dec 9 $0.01, Oct 13 - Jan 1 $15.34, Dec 11 - Dec 17 $6.57, Dec 11 12:09 pm $0.01, Oct 13 - Jan 1 $15.34, Dec 11 - Dec 17 $6.59, Dec 13 - Dec 17 $0.01, Oct 13 - Jan 1 $16.43, Dec 22 - Dec 24 $6.39, Dec 24 5:13 am $0.01, Oct 13 - Jan 1 $16.75, Dec 25 - Dec 29 $6.32, Dec 26 6:31 am $0.01, Oct 13 - Jan 1 $16.75, Dec 25 - Dec 29 $6.16, Dec 29 3:25 am $0.01, Oct 13 - Jan 1 $17.08, Dec 30 - Jan 1 $6.07, Dec 30 8:19 pm $0.01, Oct 13 - Jan 1 $17.08, Dec 30 - Jan 1 $6.02, Jan 1 10:57 am $0.01, Oct 13 - Jan 1 $17.42, Jan 11 - Jan 12 $5.93, Jan 11 - Jan 14 $0.49, Jan 11 - Jan 14 $17.76, Jan 13 - Jan 18 $5.93, Jan 11 - Jan 14 $0.49, Jan 11 - Jan 14 $17.76, Jan 13 - Jan 18 $5.90, Jan 16 - Jan 22 $2.24, Jan 16 2:42 pm $18.11, Jan 19 - Jan 25 $5.90, Jan 16 - Jan 22 $2.38, Jan 19 9:50 pm $18.11, Jan 19 - Jan 25 $5.90, Jan 16 - Jan 22 $0.50, Jan 22 8:43 am $18.11, Jan 19 - Jan 25 $5.87, Jan 23 - Jan 25 $0.93, Jan 23 11:09 pm $18.11, Jan 19 - Jan 25 $5.87, Jan 23 - Jan 25 $1.91, Jan 25 2:57 pm $18.47, Jan 27 - Feb 1 $5.84, Jan 27 - Feb 1 $2.44, Jan 29 - Feb 3 $18.84, Feb 3 - Feb 9 $5.83, Feb 3 - Feb 7 $2.39, Feb 5 - Feb 9 $18.84, Feb 3 - Feb 9 $5.95, Feb 7 - Feb 15 $2.39, Feb 5 - Feb 9 $19.21, Feb 11 - Feb 17 $5.95, Feb 7 - Feb 15 $2.37, Feb 11 1:44 pm $19.21, Feb 11 - Feb 17 $5.95, Feb 7 - Feb 15 $2.33, Feb 15 5:25 am $19.21, Feb 11 - Feb 17 $5.92, Feb 17 5:29 am $2.31, Feb 17 5:29 am $19.58, Feb 19 - Apr 25 $5.91, Feb 19 - Feb 22 $2.20, Feb 19 2:08 am $19.58, Feb 19 - Apr 25 $5.91, Feb 19 - Feb 22 $2.06, Feb 21 12:00 am $19.58, Feb 19 - Apr 25 $5.88, Feb 23 9:56 pm $1.82, Feb 23 9:56 pm $19.58, Feb 19 - Apr 25 $5.84, Feb 25 7:16 pm $1.61, Feb 25 7:16 pm $19.58, Feb 19 - Apr 25 $5.79, Feb 27 - Mar 6 $1.46, Mar 1 4:37 pm $19.58, Feb 19 - Apr 25 $5.79, Feb 27 - Mar 6 $1.44, Mar 3 10:34 pm $19.58, Feb 19 - Apr 25 $5.79, Feb 27 - Mar 6 $1.15, Mar 6 2:46 am $19.58, Feb 19 - Apr 25 $5.78, Mar 8 3:18 am $0.98, Mar 8 3:18 am $19.58, Feb 19 - Apr 25 $5.76, Mar 10 - Mar 13 $1.20, Mar 10 - Mar 11 $19.58, Feb 19 - Apr 25 $5.76, Mar 10 - Mar 13 $1.19, Mar 13 - Mar 16 $19.58, Feb 19 - Apr 25 $5.71, Mar 16 - Mar 19 $1.19, Mar 13 - Mar 16 $19.58, Feb 19 - Apr 25 $5.71, Mar 16 - Mar 19 $2.42, Mar 19 12:18 am $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $2.30, Mar 22 8:56 am $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $1.67, Mar 24 4:03 pm $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $1.41, Mar 26 10:38 pm $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $1.29, Mar 29 6:34 am $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $1.16, Mar 31 3:45 pm $19.58, Feb 19 - Apr 25 $5.72, Mar 21 - Apr 3 $1.10, Apr 3 - Apr 8 $19.58, Feb 19 - Apr 25 $5.23, Apr 5 10:47 pm $1.10, Apr 3 - Apr 8 $19.58, Feb 19 - Apr 25 $4.31, Apr 8 - Apr 25 $1.10, Apr 3 - Apr 8 $19.58, Feb 19 - Apr 25 $4.31, Apr 8 - Apr 25 $1.07, Apr 10 12:12 am $19.58, Feb 19 - Apr 25 $4.31, Apr 8 - Apr 25 $0.98, Apr 12 6:01 pm $19.58, Feb 19 - Apr 25 $4.31, Apr 8 - Apr 25 $0.92, Apr 15 2:35 pm $19.58, Apr 26 - Jun 6 $4.31, Apr 26 - May 4 $0.01, Apr 26 - Mar 25 $19.58, Apr 26 - Jun 6 $3.90, May 8 - May 12 $0.01, Apr 26 - Mar 25 $19.58, Apr 26 - Jun 6 $4.31, May 15 - May 17 $0.01, Apr 26 - Mar 25 $19.58, Apr 26 - Jun 6 $3.51, May 21 - May 30 $0.01, Apr 26 - Mar 25 $19.58, Apr 26 - Jun 6 $4.53, Jun 3 - Jun 12 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $4.53, Jun 3 - Jun 12 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $4.10, Jun 16 5:15 am $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $3.99, Jun 20 12:01 am $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $4.10, Jun 23 6:00 pm $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $3.70, Jun 27 - Jul 5 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $3.68, Jul 11 9:40 pm $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $2.59, Jul 15 - Jul 31 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $3.59, Aug 4 - Aug 8 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $3.21, Aug 12 1:17 am $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $4.05, Aug 15 - Aug 17 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $4.55, Aug 19 - Sep 9 $0.01, Apr 26 - Mar 25 $19.73, Jun 10 - Oct 21 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $20.12, Oct 24 - Oct 28 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $20.52, Nov 1 - Nov 6 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $20.93, Nov 10 2:22 am $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $20.98, Nov 14 - Nov 18 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $21.39, Nov 22 - Nov 27 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $21.81, Dec 2 - Dec 4 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $22.24, Dec 9 11:25 pm $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $22.68, Dec 14 11:40 pm $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $5.00, Sep 13 - Feb 5 $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $4.94, Feb 7 2:31 pm $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $4.90, Feb 12 - Feb 18 $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $4.89, Feb 23 6:44 pm $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $4.88, Feb 29 2:32 am $0.01, Apr 26 - Mar 25 $24.48, Dec 20 - Mar 13 $4.87, Mar 13 5:36 am $0.01, Apr 26 - Mar 25 $19.73, Mar 25 4:34 am $4.85, Mar 25 4:34 am $0.01, Apr 26 - Mar 25 81,848 1,010,637
1,171,875
781,250
390,625
0
Oct
Dec
Feb
Apr
Jun
Aug
Oct
Dec
Feb
Apr
2015
2016
Price Details
New
Latest
$19.73 Mar 25, '16
Highest
$24.48 Dec 20, '15
Lowest
$15.34 Dec 11, '14
Average
$24.48 (30d avg)
Added
Sep 26, 2013
3rd Party New
Latest
$4.85 Mar 25, '16
Highest
$10.68 Jun 13, '14
Lowest
$2.59 Jul 15, '15
Average
$4.88 (30d avg)
Added
Sep 26, 2013
3rd Party Used
Latest
$0.01 Mar 25, '16
Highest
$2.44 Jan 29, '15
Lowest
$0.01 Apr 26, '15
Average
$0.01 (30d avg)
Added
Sep 26, 2013
Sales Rank
30 day average: 934,922 856,503
Product Description
Puzzles and brain twisters to keep your mind sharp and your memory intact are all the rage today. More and more people -- Baby Boomers and information workers in particular -- are becoming concerned about their gray matter's ability to function, and with good reason. As this sensible and entertaining guide points out, your brain is easily your most important possession. It deserves proper upkeep.Brain FoodSleepMemoryReasonCreativity and Problem-SolvingUnderstanding Other People's Brains
Back to store list
