9 books — in reading order
Mighty Robot
Dav Pilkey
Mighty Robot vs. the Mutant Mosquitoes from Mercury
Mighty Robot vs. the Voodoo Vultures from Venus
Mighty Robot vs. the Mecha-Monkeys from Mars
Mighty Robot vs. the Jurassic Jackrabbits from Jupiter
Mighty Robot vs. The Stupid Stinkbugs from Saturn
Mighty Robot vs. the Uranium Unicorns from Uranus
Mighty Robot vs. The Naughty Nightcrawlers From Neptune
Mighty Robot vs. The Unpleasant Penguins from Pluto
