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Shannon Messenger is an American author. She is known for writing the middle-grade series Keeper of the Lost Cities, which was a New York Times bestseller; Unlocked, book 8.5 in the series, reached number 8 on USA Today's list in 2020. She also wrote the young-adult Sky Fall series. Her books have been published by Simon & Schuster.
Biography
Shannon Messenger is an American author. She is known for writing the middle-grade series Keeper of the Lost Cities, which was a New York Times bestseller; Unlocked, book 8.5 in the series, reached number 8 on USA Today's list in 2020. She also wrote the young-adult Sky Fall series. Her books have been published by Simon & Schuster.
