Ricky Ricotta's Giant Robot Vs. the Mutant Mosquitoes from Mercury (Ricky Ricotta) vs Ricky Ricotta's Mighty Robot vs. the Uranium unicorns from Uranus: Which Should You Read?

Ricky Ricotta's Giant Robot Vs. the Mutant Mosquitoes from Mercury (Ricky Ricotta) Dav Pilkey · 2000 ★★★★☆ 3.9 127 pages · ≈ 2 h 21 m · Easy

“There once was a mouse named Ricky Ricotta who lived in Squeakyville with his mother and father.”

A mouse named Ricky Ricotta and his giant flying robot attempt to save the world from an invasion of massive mutant mosquitoes from Mercury.

Ricky Ricotta's Mighty Robot vs. the Uranium unicorns from Uranus Dav Pilkey · 2002 ★★★★☆ 3.9 128 pages · ≈ 2 h 22 m · Easy

Evil Uncle Unicorn attempts to dominate earth by using a Ladybot to trick Mighty Robot.