Maggie & Abby and the Shipwreck Treehouse

The sparkling, fast-paced sequel to Maggie & Abby's Neverending Pillow Fort, which Captain Underpants creator Dav Pilkey called “a magical adventure!”

Nine long months after being shut out of the pillow fort network for good, Maggie and Abby finally have a whole new mission to focus on-and this one starts with a return to the infamous Camp Cantaloupe.

Abbyneedsthis trip after a year of big, BIG changes back at home. But Abby knows that Maggie will never relax until they've solved the lingerin...