Torus: James Follett

For Harry Dysan, maverick director of the National Security Agency, the news is really bad. A satellite has a hole punched through it by a weapon that makes all others obsolete - the Torus beam can focus and project the energy of an atom bomb into outer space. Determined to unlock the secrets of this ultimate space weapon, Dysan finds the one person who can trace its source. But Lisa Wessex, a brilliant data scanner and refugee from Vietnam, has her own reasons for helping him. An as their joint hunt for the Torus leads them to a remote island in the Pacific, it becomes clear the satellite was only target practice...