Ricky Ricotta's Mighty Robot vs. the Uranium Unicorns from Uranus (Ricky Ricotta's Mighty Robot #7) Other Books in This Series

Ricky Ricotta's Mighty Robot vs. the Naughty Nightcrawlers from Neptune (Ricky Ricotta's Mighty Robot #8)

Ricky Ricotta's Mighty Robot vs. the Unpleasant Penguins from Pluto (Ricky Ricotta's Mighty Robot #9)

Ricky Ricotta's Mighty Robot (Ricky Ricotta's Mighty Robot #1)

Ricky Ricotta's Mighty Robot vs. The Mutant Mosquitoes from Mercury (Book 2)

Ricky Ricotta's Mighty Robot vs. the Jurassic Jackrabbits from Jupiter (Ricky Ricotta's Mighty Robot #5)

Ricky Ricotta's Mighty Robot vs. The Stupid Stinkbugs From Saturn (Book 6)