Nick and Tesla's Robot Army Ra. This item is unavailable.Nick and Tesla's Robot Army Ra

Join twins Nick and Tesla as they build homemade robots and race to solve a mystery in this zany, action-packed middle grade adventure sequel by "Science Bob" Pflugfelder.

It's up to Nick and Tesla to save the day-again! When a rash of robberies hits the town of Half Moon Bay, the two young sleuths head straight to their Uncle Newt's science lab. They'll have to build their very own battlebots, robo-bugs, and hoverbots to outsmart a criminal mastermind. Can Nick and Tesla crack the case before it's too late?

This second book in the popular Nick and Tesla series features laugh-out-loud jokes, fun illustrations, and five DIY science projects with step-by-step instructions for readers to try at home.

"Science Bob" Pflugfelder is a science teacher, author, maker, and presenter that knows how to share the world of science like never before. He is a regular guest on Jimmy Kimmel Live!, Live With Kelly and Ryan, The Dr. Oz Show, and Nickelodeon's Nicky, Ricky, Dicky and Dawn. His television appearances also include The Today Show, Hack My Life, Good Morning America, Home & Family and others.

Steve Hockensmith is both a New York Times bestselling author (for Pride and Prejudice and Zombies: Dawn of the Dreadfuls) and a Best First Novel Edgar Award nominee (for his mystery Holmes on the Range). He has two young children and lives near San Francisco.

Scott Garrett is a UK-based freelance illustrator whose clients have included Vodafone, Nestle, VW, GQ, The Guardian, Los Angeles Times, Boston Globe, Business Week, Klutz Books, Faber & Faber and Random House. He lives by the sea in Hastings, East Sussex, with his family.