The Unusual Suspects (the Sisters Grimm #2) by Michael Buckley
10th Anniversary paperback edition, 2017
In this second book in the bestselling Sisters Grimm series, the sisters begin school at Ferryport Landing Elementary. Daphne gets Snow White for a teacher, but Sabrina is stuck with nasty Mr. Grumpner and a class of mildly psychotic sixth graders. When Mr. Grumpner is mysteriously murdered, Daphne and Sabrina must discover which Everafter is responsible. But Sabrina’s distrust of all Everafters may get in the way of unraveling the case.
With an irresistible combination of adventure and imagination, the Sisters Grimm series injects classic fairy tales with modern day sensibilities and suspense, creating a fantastical combination readers of all ages will love.