Download or read book Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy Part Two written by Dav Pilkey and published by Scholastic UK. This book was released on 2014-01-09 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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!