You don't think much about your backpack. It's just kind of dirty and crammed with stuff. But wait—did you know the backpack has a history? That it could be a superhero's secret weapon? Or an exploding science experiment? Or even a living creature of immense proportions? Kevin O'Malley has created four surprising comic-book-style stories to entertain and amaze backpack wearers everywhere.

This is a fixed-format ebook, which preserves the design and layout of the original print book.