R. A Spratt

"A must-have series for middle-grade readers." -Booklist Imagine 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 everything from disappearing homework to the terrifying Yeti haunting the school swamp. But the biggest mystery...