There are also some wheeled backpacks for you to choose
. But you may check that if it is allowed in your child's school before buying such backpack. And you may find some waterproof backpack to give the books better protection. You may found hundreds of good backpack here http://www.dinodirect.com/womens-backpacks-bookbags/. I hope the information above could give you some help when choosing backpack for school.