Disney's Phineas and Ferb journey to Mars book from the head hit Disney TV series. Mars attacks! Phineas and Ferb's best friend baljeet is working on an awesome project for the summer school science fair, He's building a portal to Mars! But when Phineas and Ferb sister Candace accidentally goes through the portal and lands on the barren planet will her brothers come to the rescue? Or will Candace be lost in space forever?