From School Library Journal

Grade 4–7—Amy and Dan Cahill are now on their way to Japan. In the dramatic opening chapter, while boarding a flight to Tokyo, they are outfoxed by two of their cousins, also in search of the Cahill family secrets. Separated from their au pair, Nellie, and cat, Saladin, they are forced to find alternate transportation in their Uncle Alistair’s private jet. Though they never fully trust him, Amy and Dan must rely on his knowledge of Japan and of their Cahill ancestor, Toyotomi Hideyoshi, a famous warrior whose stronghold may harbor their next clue. Lerangis continues the formula of the earlier “39 Clues” books: plenty of action and surprises, but little in the way of characterization or descrip
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