If You Give a Mouse A Cookie is a great book that most kids seem to enjoy. This book is on a first grade reading level so I would recommend having it on your bookshelves for kindergarten through second for those advance and slower readers. For a class lesson I believe it will work for kindergarten through second as well. You could do a couple of math lessons with this book. For example, if I gave a mouse two cookies and Jess gives him one cookie how many would he have. Language arts wise the only lesson that I can come up with is a sequence of events. Give each students the events that took place (hair cut, sweeping, and other in the book) and allow them to work in groups to see if they can place them in the correct order.