Phineas and Ferb want to get the most out of their summer by making every day outrageously fun, but these two best buds aren't content with going to the beach o

Phineas, Ferb, Perry the Platypus, and Dr. Doofenshmirtz are back for an interstellar adventure in this chapter book based on the new Disney+ original movie. Wh

What happens when the boys accidentally knock a UFO off its course, causing it to crash in their backyard? And what will Phineas, Ferb, Candace, and Isabella do

The Earth system functions and connects in unexpected ways - from the microscopic interactions of bacteria and rocks to the macro-scale processes that build and

When Dani and her big brother Mike find themselves aboard the ill-fated river expedition of careless adventurer, Captain Kevin, they must work together to save