George and Harold have really done it this time . . . they ve created a MONSTER! She s faster, smarter, and more evil than anything the world has seen before – she s Wedgie Woman! With the help of her horrible robots and her horrendous hairdo, Wedgie Woman is on a mission to take over the world, and she ll give a whopping wedgie to anyone who stands in her way – including Captain Underpants.

Will Wedgie Woman s wicked ways spell the end for our heroes? You ll have to read the book to find out. And in the meantime . . . watch your back!