Summary: Ever wondered what to do if you meet an alien, where the top ten hiding places are, or how Phineas and Ferb come up with their epic ideas? This jam-packed hardcover book has all the answers! Featuring diagrams of the brothers' out-of-this-world inventions, bios of your favorite characters like Isabella and Jeremy, and a guide to earning Fireside Girl patches, this book covers everything from A-plot adventures to B-plot secret agent missions. With interactive elements like blank pages for designing your own creations, it offers hours of entertainment and creativity for fans aged 8-12.
