From the Publisher
The fifth book in this exciting new chapter-book series from the bestselling creator of Captain Underpants!
After General Jackrabbit arrives from Jupiter, he creates the Jurassic Jackrabbits to take over Earth. Ricky and his Mighty Robot are trying to celebrate Ricky's birthday, but now they must save Earth.
From the Jacket
Hooray! Today is Ricky Ricotta's birthday and is going to be the BEST day ever! As a special treat, Ricky's family is going to the museum to see dinosaurs. But when they get there, an evil space-bunny named General Jackrabbit is creating Jurassic Jackrabbits that will help him take over Earth. Can Ricky and his Mighty Robot beat the bi...