Bright siblings-and amateur inventors-Nick and Tesla Holt are back in this fourth instalment. With the mystery of the sp... MoreNick and Tesla's Super-Cyborg Gadget Glove: A Mystery with a Blinking, Beeping, Voice-Recording Gadget Glove You Can Build Yourself
In this second novel of the Nick and Tesla series, the precocious brother-and-sister duo find themselves solving another... MoreNick and Tesla's Robot Army Rampage: A Mystery with Hoverbots, Bristle Bots, and Other Robots You Can Build Yourself
Nick and Tesla are bright 12-year-old siblings with a knack for science, electronics, and getting into trouble. When the... MoreNick and Tesla and the High-Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself ourself
Another whiz-bang mystery in the popular Nick and Tesla series, featuring a new case to crack and all-new gadgets that k... MoreNick and Tesla's Special Effects Spectacular: A Mystery with Animatronics, Alien Makeup, Camera Gear, and Other Movie Magic You Can Make Yourself!
In this third installment of the series, 11-year-old whiz-kids Nick and Tesla discover that someone in the quiet town of... MoreNick and Tesla's Secret Agent Gadget Battle: A Mystery with Spy Cameras, Code Wheels, and Other Gadgets You Can Build Yourself
Super-smart kid inventors Nick and Tesla Holt have outsmarted crooks, spies, and kidnappers, but now it's time to crack ... MoreNick and Tesla's Solar-Powered Showdown: A Mystery with Sun-Powered Gadgets You Can Build Yourself
Summer break is about to get weird. After their parents disappear, twins Nick and Tesla are sent to live with their Uncl... MoreNick and Tesla and the High Voltage Danger Lab: A Mystery with Gadgets You Can Build Yourself
Summer break is about to get weird. After their parents disappear, twins Nick and Tesla are sent to live with their Uncl... MoreNick and Tesla and the Robot Army Rampage: A Mystery with Gadgets You Can Build Yourself
A harrowing array of scary stories that all have one thing in common: each either begins or ends with a scream!R.L. Stin... MoreScream and Scream Again!: Spooky Stories from Mystery Writers of America
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