ISBN-13: 9781614792703 / Angielski / Biblioteczna (library binding) / 2014 / 48 str.
Everybody loves Perry's adorable "chittering" noise. But no one knows what it means. Phineas and Ferb decide to find out by building an animal translator. With the help of the invention, will Perry finally be able to speak to the boys? Aligned to Common Core standards and correlated to state standards. Leveled Readers is an imprint of Spotlight, a division of ABDO.