Emily Lime is the one and only Librarian Detective! As Assistant Librarian (and a pupil!) at St Rita’s School, she’s got the sharpest mind going. And she’s going to need it!

There’s been a bank robbery in town, a break-in at the school and a dastardly villain is on the loose. With the help of new girl, Daphne, and George (the only boy), Emily is determined to get to the bottom of things, with surprising and very funny results…