Buy from Amazon
$21.74 $0.01
$18.00
$13.50
$9.00
$4.50
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
2016
$19.25, Jul 13 - Jul 18 $12.87, Jul 22 - Jul 26 $12.78, Jul 29 - Aug 4 $12.28, Jul 29 - Jul 31 $14.35, Aug 4 - Aug 17 $13.56, Aug 4 1:04 am $12.78, Jul 29 - Aug 4 $14.35, Aug 4 - Aug 17 $13.58, Aug 7 - Aug 22 $12.80, Aug 7 - Aug 22 $14.78, Aug 20 - Aug 22 $13.58, Aug 7 - Aug 22 $12.80, Aug 7 - Aug 22 $15.22, Aug 26 - Sep 3 $13.63, Aug 26 - Sep 14 $12.85, Aug 26 - Sep 3 $17.27, Sep 7 - Sep 14 $13.63, Aug 26 - Sep 14 $13.49, Sep 7 - Sep 14 $18.71, Sep 18 - Oct 4 $14.77, Sep 18 5:44 pm $14.53, Sep 18 5:44 pm $18.71, Sep 18 - Oct 4 $14.43, Sep 22 3:39 pm $14.20, Sep 22 3:39 pm $18.71, Sep 18 - Oct 4 $14.07, Sep 26 1:57 pm $13.86, Sep 26 1:57 pm $18.71, Sep 18 - Oct 4 $14.93, Sep 30 - Oct 4 $14.71, Sep 30 - Oct 4 $19.25, Oct 8 - Dec 11 $15.72, Oct 8 6:07 pm $14.74, Oct 8 6:07 pm $19.25, Oct 8 - Dec 11 $14.90, Oct 12 - Oct 24 $14.89, Oct 12 - Oct 28 $19.25, Oct 8 - Dec 11 $14.89, Oct 12 - Oct 28 $14.58, Oct 28 - Nov 5 $19.25, Oct 8 - Dec 11 $14.58, Oct 28 - Nov 5 $14.56, Nov 1 8:20 am $19.25, Oct 8 - Dec 11 $14.58, Oct 28 - Nov 5 $14.53, Nov 5 10:21 am $19.25, Oct 8 - Dec 11 $14.50, Nov 9 12:16 pm $14.31, Nov 9 - Nov 17 $19.25, Oct 8 - Dec 11 $14.47, Nov 13 2:50 pm $14.31, Nov 9 - Nov 17 $19.25, Oct 8 - Dec 11 $14.44, Nov 17 10:03 pm $14.31, Nov 9 - Nov 17 $19.25, Oct 8 - Dec 11 $14.40, Nov 22 7:34 am $14.29, Nov 22 - Dec 1 $19.25, Oct 8 - Dec 11 $14.36, Nov 26 6:50 pm $14.29, Nov 22 - Dec 1 $19.25, Oct 8 - Dec 11 $14.32, Dec 1 3:18 pm $14.29, Nov 22 - Dec 1 $19.25, Oct 8 - Dec 11 $14.27, Dec 6 - Dec 11 $14.24, Dec 6 12:32 pm $19.25, Oct 8 - Dec 11 $14.27, Dec 6 - Dec 11 $14.19, Dec 11 3:54 pm $21.74, Dec 16 - Feb 4 $14.28, Dec 16 4:59 pm $11.36, Dec 16 4:59 pm $21.74, Dec 16 - Feb 4 $14.27, Dec 21 2:27 pm $11.31, Dec 21 2:27 pm $21.74, Dec 16 - Feb 4 $16.38, Dec 27 - Jan 5 $11.36, Dec 27 - Jan 10 $21.74, Dec 16 - Feb 4 $16.36, Jan 10 - Jan 20 $11.36, Dec 27 - Jan 10 $21.74, Dec 16 - Feb 4 $16.36, Jan 10 - Jan 20 $9.67, Jan 15 8:51 am $21.74, Dec 16 - Feb 4 $16.36, Jan 10 - Jan 20 $9.63, Jan 20 8:38 am $21.74, Dec 16 - Feb 4 $16.07, Jan 25 9:00 am $9.65, Jan 25 9:00 am $21.74, Dec 16 - Feb 4 $15.83, Jan 30 9:00 am $15.82, Jan 30 9:00 am $21.74, Dec 16 - Feb 4 $15.70, Feb 4 11:23 am $10.04, Feb 4 11:23 am $18.88, Feb 9 1:19 pm $14.88, Feb 9 1:19 pm $3.25, Feb 9 1:19 pm $15.29, Feb 14 8:47 pm $14.88, Feb 9 1:19 pm $1.03, Feb 14 8:47 pm $14.88, Feb 9 1:19 pm $11.85, Feb 20 4:45 am $0.16, Feb 20 4:45 am $14.88, Feb 9 1:19 pm $8.68, Feb 25 5:18 pm $0.01, Feb 25 5:18 pm $14.88, Feb 9 1:19 pm $6.15, Mar 7 12:26 am $5.24, Mar 7 12:26 am $11.15, Mar 18 10:01 am $7.15, Mar 18 10:01 am $3.57, Mar 18 10:01 am $6.41, Mar 29 10:20 pm $2.83, Mar 29 10:20 pm $2.75, Mar 29 10:20 pm 48,095 2,260,551
1,562,500
781,250
Aug
Sep
Oct
Nov
Dec
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Feb
Mar
Apr
2016
Price Details
New
Last Seen
$6.41 Mar 29, '16
Highest
$21.74 Dec 16, '15
Lowest
$5.24 Mar 7, '16
Average
$8.22 (30d avg)
Added
Jul 13, 2015
3rd Party New
Last Seen
$2.75 Mar 29, '16
Highest
$16.38 Dec 27, '15
Lowest
$2.75 Mar 29, '16
Average
$7.15 (30d avg)
Added
Jul 13, 2015
3rd Party Used
Last Seen
$2.83 Mar 29, '16
Highest
$15.82 Jan 30, '16
Lowest
$0.01 Feb 25, '16
Average
$4.85 (30d avg)
Added
Jul 13, 2015
Sales Rank
30 day average: 1,450,924 1,761,122
Product Description
Never turn your back on the Cahills . . . The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross!
The Cahills are the world's most powerful family, but their strength is being tested. A sinister man calling himself The Outcast has targeted the family and set them an impossible test. He's recreating four of history's worst disasters and challenging the young Cahills to find and stop the tragedies before it's too late. Now, with one disaster behind them, siblings Dan and Amy Cahill and their friends have just days to discover what the Outcast's next move will be.
Their frantic search seems to be pointing toward a terrifying air disaster, the explosion of the Hindenburg airship. But no one travels by airship anymore -- what do the Outcast's cryptic messages mean? The young Cahills must split up and take to the skies to try to find the answer . . . before their whole world comes crashing down.
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