Super-smart kid inventors Nick and Tesla Holt have outsmarted crooks, spies, and kidnappers, but now it's time to crack their biggest mystery yet: where the heck are their parents? With the help of their eccentric Uncle Newt, the twins trace the clues to their missing Mom and Dad, scientists working on solar-power research for a clandestine government project. They'll need all their wits, along with an assortment of homemade gadgets, to outsmart the criminal mastermind who's trying to turn solar power into a secret weapon. Featuring instructions for building and using five awesome solar-powered contraptions-a hot dog cooker, alarm bell, listening device, model car, and nighttime LED signal cannon-this sixth installment is sure to please budding scientists and sleuthers alike.

 

There are 264 pages in this book. This book was published 2016 by Quirk Books .

STEVE HOCKENSMITH is the New York Times -bestselling author or co-author of 10 books, most recently the Nick and Tesla series of middle-grade mysteries. CHRIS KIENTZ is the writer and producer of the international award-winning Smithsonian Channel television production Raven Tales. LEE NIELSEN is an animator, illustrator, concept artist, and designer. Science Bob Pflugfelder is an elementary school teacher based in Newton, Massachussetts. He has made many television appearances on Jimmy Kimmel Live, Live with Kelly and Michael, The Dr. Oz Show, and other media outlets. These are his first books. Steve Hockensmith is the author of a New York Times best seller (Pride and Prejudice and Zombies: Dawn of the Dreadfuls) and an Edgar Award nominee (Holmes on the Range). He lives in Alameda, California.