Tom Grace

Nolan Kilkenny returns in an adventure that races from the Vatican across the vastness of Asia, ultimately involving China, the Mafia, and the conclave of cardinals that will elect the next pope....

Astronaut Kelsey Newton and her crewmates aboard the International Space Station have just settled in for a six-month mission when they discover the existence of Zeus....

Ex-Navy SEAL Nolan Kilkenny receives a desperate plea for help from doctors frantic to save the life of a young boy with a deadly genetic disorder....

Ross Egan, a political neophyte, lands on the short list of individuals capable of challenging the US presidential incumbent, seen by some as the most dangerously leftist president ever....

Deep in the frozen wasteland of Antarctica, a remote NASA research lab rests atop a two-mile thick glacier, covering a vast underground water reservoir....

While investigating a technical problem in a complex computer network, Nolan Kilkenny becomes involved in the CIA and FBI's fierce hunt for three computer-age information pirates....

A story of men and women forced to make impossible choices, Quantum hurls us into the dangers of the twenty-first century, where human courage may still be the most potent force of all....