It's just another awesome day of summer vacation for Phineas and Ferb, and this time they're ready for an aquatic adventure! The stepbrothers decide to build a giant mechanical squid and travel to the depths of Danville's deepest lake to look for buried treasure.

It's Easter, and what better way for Phineas and Ferb to celebrate than to throw a giant festival in their backyard, complete with rockin' bands and candy-shooting cannons? But when their older sister, Candace, learns about their plans, she's determined to bust her brothers once and for all! Meanwhile, Dr. Doofenshmirtz has decided to dress up like the Easter Bunny as a ploy to try and finally take over the Tri-State Area!

A spy mission gone terribly wrong causes Agent P to disappear! Will Perry ever make it back home? Or will Phineas and Ferb never see their pet platypus again? This illustrated storybook retells Part 1 of the two-part cliffhanger Phineas and Ferb episode, Where's Perry?

'Twas the night before Christmas and all through the house, not a creature was stirring . . . except for a platypus. When Dr. Doofenshmirtz creates an -inator that sabotages St. Nick, it's up to Agent P to save the day . . . and save it he does, reversing Doofenshmirtz's -inator and making it home just before Phineas and Ferb wake up on Christmas morning. With foil and spot UV on the cover, this all-new Phineas and Ferb-style take on the familiar Christmas poem, The Night Before Christmas is sure to be a hit!

Phineas and Ferb have come up with yet another great idea for a summer day—they are going to create a stunt school and teach all their friends how to be top stuntmen and women! Meanwhile, Perry the Platypus enters his secret lair to discover that the evil Dr. Doofenshmirtz has taken over the spy agency.

What did the ghost say to Phineas and Ferb? I know what we're going to boo today! Sit around the campfire with Phineas, Ferb, and the rest of the gang as they tell super scary jokes and stories! This third joke book is illustrated with black-and-white original art and screen grabs throughout.

In this wordless picture book, follow Walrus on a happy-go-lucky spree through the big city, as he tries on different hats to disguise himself from the chasing zookeeper.