A boy’s backpack contains a special surprise for his mother, but first he’ll have to wade through some other things in the bag. What kind of gross stuff is lurking? A half-eaten ham sandwich covered in ants! And, yuck! An old gym sock! Kids love disgusting stuff, and they’ll holler with delight as they flap after flap to find more and more gross stuff! The surprise pop-up on the last spread makes for the perfect end to this slimy, nasty, icky, dirty, totally hilarious book!