"A must-have series for middle-grade readers." --Booklist
A Bank Street Best Children's Book of the Year, 2017Imagine if Sherlock Holmes was an eleven-year-old girl! When Friday Barnes, girl genius, solves a bank robbery, she uses the reward money to send herself to Highcrest Academy, the most exclusive boarding school in the country--and discovers it's a hotbed of crime! Soon she's investigating...
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