Nick and Tesla are bright 12-year-old siblings with a knack for science, el...More
In this second novel of the Nick and Tesla series, the precocious brother-a...More
The first graphic novel of the Secret Smithsonian Adventures series. Our he...More
Super-smart kid inventors Nick and Tesla Holt have outsmarted crooks, spies...More
In the second graphic novel of the Secret Smithsonian Adventures series, ou...More
