Books four through six of the bestselling, hard-boiled, science fiction detective series by the legendary actor who played Captain Kirk on Star Trek. It's the twenty-second century, and mankind has expanded the horizons of science and technology. For those who want to go even further, Tek takes them there. The bio-digital microchip is more powerfully mind-altering than any other drug ever known. For those who become addicted, it's out of this world—and straight into hell. And only private eye Jake Cardigan can stop it . . . Tek Vengeance: Cardigan's fiancée, Beth, is in Berlin testifying against the drug cartel controlled by the Teklords. Meanwhile, Jake is on a case in Rio de Janeiro that feels dangerously like a set-up . . . Tek Secret: Jake and his partner, Sid Gomez, are searching Los Angeles for the heiress to a robotics fortune when they uncover a stunning government conspiracy . . . Tek Power: Jake and Sid head to the east coast to derail a plot to replace the president of the United States with an android controlled by the ruthless Tek cartel.