When a Stanford University physicist is kidnapped and whisked away to a top-secret research facility near Moscow, he finds that a Russian oligarch has developed

"Seventy years after Tesla's death, the plans for a death ray fall into the hands of a centuries-old conspiracy bent on world domination. Powerful men will stop

Nick and Tesla are bright 11-year-old siblings with a knack for science, electronics, and getting into trouble. When their parents mysteriously vanish, they’r

After foiling a gang of kidnappers and fending off an army of robots, 11-year-old siblings Nick and Tesla Holt could use a little rest! But as their third myste

“The story of one of the most prolific, independent, and iconoclastic inventors of this century…fascinating.”—Scientific American Nikola Tesla (1856-194