Phineas and Ferb: Agent P's Top-Secret Joke Book
Disney Book Group
This book is available for download with iBooks on your Mac or iOS device, and with iTunes on your computer. Books can be read with iBooks on your Mac or iOS device.
Dr. Doofenshmirtz is trying to destroy all of the laughter in the Tri-State Area with his latest evil invention--the De-Laugh-inator. It's up to Agent P to stop him, and the only way to defeat the evil doctor's plan is to read these hilarious jokes and riddles aloud!