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Have you ever read the 39 Clues novel? Would you like to try this quiz? The 39 Clues Novel is a series of adventure novels written by a...see moreplethora of different writers. It consists of five series: The Clue Hunt, Cahill vs. Vespers, Unstoppable, Double Cross, and Super special, and the books follow the adventures of brother and sister Amy and Dan Cahill. If you are curious to know more, try this quiz. see less
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