The 39 Clues: Doublecross

4 books in series
4.5 out of 5 stars 450 ratings

Mission Titanic Publisher's Summary

At only 17years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him. If Ian and his allies can't decipher the Outcast's hints in time, innocent people will die. Ian's only chance to beat the Outcast is to track down his former allies, Amy and Dan. But finding Amy and Dan will demand from Ian an impossible sacrifice....

©2015 Jude Watson (P)2015 Scholastic Inc.
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  • Book 1

    • Mission Titanic

    • The 39 Clues: Doublecross, Book 1
    • By: Jude Watson
    • Narrated by: David Piitu
    • Length: 5 hrs and 30 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 148
    • Performance
      4.5 out of 5 stars 125
    • Story
      4.5 out of 5 stars 124

    At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

    • 5 out of 5 stars
    • solid storyline

    • By Amazon Customer on 04-20-15

    Regular price: $12.95

  • Book 2

    • The 39 Clues

    • Mission Hindenburg, Doublecross, Book 2
    • By: C. Alexander London
    • Narrated by: David Pittu
    • Length: 4 hrs and 49 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 105
    • Performance
      5 out of 5 stars 99
    • Story
      4.5 out of 5 stars 99

    Never turn your back on the Cahills.... The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross! Confidential until August 2015!

    • 5 out of 5 stars
    • Totally twisted

    • By Amazon Customer on 05-03-16

    Regular price: $12.95

  • Book 3

    • Mission Hurricane

    • The 39 Clues: Doublecross, Book 3
    • By: Jenny Goebel
    • Narrated by: David Pittu
    • Length: 4 hrs and 33 mins
    • Unabridged
    • Overall
      4.5 out of 5 stars 111
    • Performance
      5 out of 5 stars 101
    • Story
      4.5 out of 5 stars 98

    The blockbuster series continues with a Cahill family member from the past bent on revenge! Who is the Outcast, and why is he threatening the lives of innocent people? Book 3 reveals a shocking secret that will send Amy and Dan - and the world - reeling.

    • 5 out of 5 stars
    • Amazing

    • By Casey on 05-09-16

    Regular price: $12.95

  • Book 4

    • Mission Atomic

    • The 39 Clues: Doublecross, Book 4
    • By: Sarwat Chadda
    • Narrated by: David Pittu
    • Length: 5 hrs and 42 mins
    • Unabridged
    • Overall
      5 out of 5 stars 86
    • Performance
      5 out of 5 stars 80
    • Story
      5 out of 5 stars 78

    The thrilling conclusion to 39 Clues, Part VI: Doublecross. A Cahill family member from the past is bent on revenge! Confidential until July 2016!

    • 5 out of 5 stars
    • Best books ever!!!

    • By newshound on 08-16-16

    Regular price: $12.95