Putnam
9780399174520
Putnam
9780399174520
Twelve-year-old Claudia Dalton panics when her dad mysteriously disappears, until he sends a postcard saying that he “needs a little time to think some things over” while he visits an old friend. Then he starts sending Claudia a series of mysterious clues in the form of jigsaw puzzle pieces. Claudia works hard to solve each…
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