Winner of the prestigious Mathical Prize, Which One Doesn't Belong? is a picture book that is different from many other books about shapes. Every page asks the same question, and every answer can be correct. It’s a book that will spark conversation, make you think, and wonder. Turn the pages and see for yourself.

This listing is for a hard cover of the Which One Doesn't Belong? picture book. You can also purchase a set of the hard cover Which One Doesn't Belong? picture book and invaluable Teacher's Guide.