
By Dav Pilkey
Pages
174
Rating
4.23
Year
2003
Just when George and Harold thought they'd saved the world again—here come the Robo-Boogers! Disgusting and dangerous robots made of snot, they will cover the whole earth in a river of green and gluey bogey. It's lucky that Captain Underpants is standing by, with the power of underwear on his side and his hankie to hand!