Riptide

Just days before a massive exhibition opens at the popular New York Museum of Natural History, visitors are being savagely murdered in the museum's dark hallways and secret rooms. Autopsies indicate that the killer cannot be human. But the museum's directors plan to go ahead with a big bash to celebrate the new exhibition, in spite of the murders. Museum researcher Margo Green must find out who - or what - is doing the killing.

Former naval doctor Peter Crane is summoned to a remote oil platform in the North Atlantic to help diagnose a bizarre medical condition. But when he arrives, Crane learns that the real trouble lies far below on "Deep Storm", a stunningly advanced science-research facility built two miles beneath the surface on the ocean floor. The top-secret structure has been designed for one purpose: to excavate a recently discovered undersea site that may hold the answers to an ancient mystery.

Nora Kelly, a young archaeologist in Santa Fe, receives a letter written 16 years ago, yet mysteriously mailed only recently. In it her father, long believed dead, hints at a fantastic discovery that will make him famous and rich - the lost city of an ancient civilization that suddenly vanished a thousand years ago. Now Nora is leading an expedition into a harsh, remote corner of Utah's canyon country, but what she unearths will be the newest of horrors.

What fire bolt from the galactic dark shattered the Earth eons ago, and now hides in that remote cleft in the southwest U.S. known as Tyrannosaur Canyon?

Guy Carson is a brilliant scientist at GeneDyne, one of the world's foremost biochemical companies. When he is transferred to Mount Dragon, GeneDyne's high-security genetic engineering lab, his good fortune seems too good to be true. Carson soon finds that it is.