Thrill-o-rama!

Thrill-o-Rama! is the fourth in the Phineas and Ferb chapter book series based on the show. This book is the novelization of One Good Scare Ought to Do It! and Are You My Mummy? It will be released July 7, 2009.

Author's Summary
''The days and nights get spooky when Phineas and Ferb create a haunted house. Their friend Isabella has an extreme case of hiccups, and the boys plan to scare them out of her. What better way than a creepy house that's full of shocking surprises and thrilling twists and turns? Plus, Phineas and Ferb search for a mummy in an old theater showing monster movies.''