Nick and Tesla and the Secret Agent Gadget Battle

Uncover a secret agent and build spy gadgets with twin sleuths Nick and Tesla in this zany, action-packed middle grade adventure by "Science Bob" Pflugfelder!
After rescuing a kidnapped heiress and taking down a robot army, 11-year-old twins Nick and Tesla could really use a break. But before they can kick back and relax, the young sleuths discover there's a spy in their midst! Someone in the town of Half Moon Bay is spying on their Uncle Newt, an eccentric inventor. To uncover the true identity of this secret agent, Nick and Tesla must build their own spy gadgets, from burglar alarms and code wheels to a water balloon trap and more.
Now in paperback, this third 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.