George and Harold have really done this time. They've created a Monster. She's faster and more evil than anything the world has seen before-she's Wedgie Woman! With the help of her horrible robots and her heinous 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!