Super-smart kid inventors Nick and Tesla Holt have outsmarted crooks, spies...More

Nick and Tesla are bright 12-year-old siblings with a knack for science, el...More

Another whiz-bang mystery in the popular Nick and Tesla series, featuring a...More

Bright siblings-and amateur inventors-Nick and Tesla Holt are back in this ...More

In this second novel of the Nick and Tesla series, the precocious brother-a...More

In this third installment of the series, 11-year-old whiz-kids Nick and Tes...More