During the Cold War, a Soviet scientist has knowledge the Earth will be attacked by aliens, but only the U.S. has the laser-based technology to knock out the alien weaponry. Enter Tom Kelly, American spy, navigator of the U.S. intelligence agency spaghetti, and ruthlessly effective operative when it comes to doing his job. Kelly will get the information into the right hands to save most of humanity - but in the process, he's prepared to annihilate anyone who gets in the way of his duty! Collecting David Drake's two Tom Kelly technothrillers in one volume - Skyripper and Fortress.