The 39 Clues: Doublecross Series is the 4th story arc in the 39 Clues Franchise, sequel to Unstoppable Series. It features 4 exciting adventure books for young adult readers, published between 2015 and 2016. The books are written by four different authors and among them, only Jude Watson has previously written books in the series. For the other three authors (C. Alexander London, Jenny Goebel, and Sarwat Chadda), their books are their first in the 39 Clues series.
Download The 39 Clues: Doublecross #1 – Mission Titanic PDF eBook. Brilliant adventure novel by Jude Watson. A Cahill from the past, the Outcast, plans to reconstruct 4 catastrophic disasters in history. To stop it, head of Cahill family Ian Kabra will need the help from Amy and Dan Cahill.
The 39 Clues: Unstoppable Series is the third story arc in the bestselling young adult franchise The 39 Clues. It expands the story of Amy and Dan Cahill after the first two series The Clue Hunt and Cahills vs. Vespers. The series features 4 adventure books written by bestseller authors including Jude Watson and Gordon Korman.
Download The 39 Clues: Unstoppable #1 – Nowhere to Run PDF eBook. A thrilling young-adult novel by Jude Watson. Amy and Dan Cahill will have to stop a new enemy, who has taken the Cahill super serum and plan on a world domination.
The 39 Clues: Cahills vs Vespers Series is the second story arc in The 39 Clues franchise, sequel to the original series (The Clue Hunt). This fantastic young-adult series features 6 adventure books written by bestseller authors—most of the authors also wrote the novels in the original series.
Download The 39 Clues: Cahills vs. Vespers #2 – A King’s Ransom PDF eBook. An exciting adventure novel by Jude Watson. The Vespers has kidnapped some members of Cahill family. To get the hostages back, Dan and Amy Cahill will have to do The Vespers’ dirty works.
Download Vespers Rising PDF eBook. The 11th and the grand finale of the exciting young adult series, The 39 Clues. Written by 4 authors with 4 different plot lines, the book concludes the first chapter of “39 Clues” competition and introduces the new enemies Amy and Dan Cahill will have to face next.
Download In Too Deep PDF eBook. Awesome adventure novel by Jude Watson , the 6th book in The 39 Clues series. Amy and Dan Cahill go to Australia and Indonesia. They are in pursue of the next clue which is hidden in the ring of fire, Krakatau.