"An ambitious tale loaded with heaping doses of adrenalin, OLD EARTH sweeps the reader away with history, intrigue, espionage, engaging characters, and an intelligent conclusion - all elements of the perfect thriller " --Steve Berry, NEW YORK TIMES bestselling author, THE LINCOLN MYTH

Gary Grossman, author of the wildly popular Executive series, returns with a high-octane thriller that digs into the history of the Earth to find the secrets people are willing to kill to keep concealed.

In the summer of 1601, Galileo Galilei made a startling discovery in the mountains of Eastern Italy...