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

An out-of-this-world friendship adventure by Captain Underpants creator Dav Pilkey, with full-color art and mini comics by Caldecott Medalist Dan Santat.

Ricky Ricotta and his Mighty Robot are in for a sticky, slimy surprise! Ricky and his Mighty Robot have built the coolest fort Squeakyville has ever seen, and they can't wait for the fun to begin! But then Cousin Lucy arrives with her pets and plans to turn it into a princess castle -- what a party pooper!Things completely fall apart when Nimrod Nightcrawler, a wicked worm from the planet Neptune, digs a tunnel under Ricky's fort, trapping the Mighty Robot. Now it's up to Ricky and Lucy to put a stop to this nightmare -- and save their friend!

Praise for the Ricky Ricotta series:"This reboot... offer[s] a new generation of readers a fun introduction to chapter books... Newly independent readers and Pilkey fans alike will not be disappointed by the humorous ride." -- School Library Journal"Aimed at a younger audience than the wildly popular Captain Underpants books, this series... has all the classic Pilkey hallmarks: comic book panels, superhero action, and flip-o-rama." -- Booklist