Softcover - Used
Early Reader, 5-8
Phineas and Ferb's 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's 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?