Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies From Outer Space (Captain Underpants) Paperback – January 1, 2000 by Dav Pilkey 
Book 3 of 12: Captain Underpants
 
Harold and George's crazy creation is back! Captain Underpants defeated Dr Nappy and terminated the terrible talking toilets. But is he ready to take on three massive space aliens in disguise? And has he finally met his match in a battle with the Giant Man-Eating Dandelion of Doom?
 
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