Autor: Bob pflugfelder, 4 titluri

Nick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself, Hardcover

Bob Pflugfelder

Nick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself, Hardcover

Bob Pflugfelder

Nick si Tesla in razboi cu robo-armata

Steve Hockensmith,Science Bob Pflugfelder

Nick si Tesla in laboratorul de inalta tensiune

Steve Hockensmith,Science Bob Pflugfelder