Katharine Carmichael thinks math is disgust-o. Especially geometry. Who knew that even shapes are tricky in third grade? Katharine fails a test, is accused of being a Cheatie Girl, and finds out that her kindergarten teacher Mrs. Curtin is going to tutor her. How embarrassing! Will Mrs. Curtin help her earn an A or will Katharine stay bent out of shape forever? Calico Chapter Books is an imprint of Magic Wagon, a division of ABDO Group. Grades 2-8.