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.

The largest known meteorite has been discovered, entombed in the earth for millions of years on a frigid, desolate island off the southern tip of Chile. At four thousand tons, this treasure seems impossible to move. New York billionaire Palmer Lloyd is determined to have this incredible find for his new museum. Stocking a cargo ship with the finest scientists and engineers, he builds a flawless expedition. But from the first approach to the meteorite, people begin to die....

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.

At 12, Gideon Crew witnessed his father, a world-class mathematician, accused of treason and gunned down. At 24, summoned to his dying mother's bedside, Gideon learned the truth: His father was framed and deliberately slaughtered. With her last breath, she begged her son to avenge him. Now, with a new purpose in his life, Gideon crafts a one-time mission of vengeance, aimed at the perpetrator of his father's destruction. His plan is meticulous, spectacular, and successful.But from the shadows, someone is watching. A very powerful someone, who is impressed by Gideon's special skills.

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?