Newlyweds Michael and Claire James were students at Central Washington State College. One day they were digging for fossils in the desert when they uncovered an old rusty buried gun.After purchasing the gun for $100, mysterious professor Jason Smith cautiously introduced Michael and his best friend Doug Collins to The Chamber, a group of retired millionaires obsessed with cracking the secrets of time travel in order to alter history (past and future) with the intent of cheating death and extending their lives for as long as possible.The lives of Michael James and Doug Collins are not only turned upside down, they are in peril. Threatened by the Chamber, they must agree to travel in time for a cause they do not believe in. Michael and Doug discover something else however; time travel grants a person immortality. One does not age – you just need to stay alive.The Chamber decided to perform their first experiment sending a fellow member (D. B. Cooper) into the past to save his wife who had died in a tragic plane crash in 1971. After a seemingly successful attempt, they then manipulate the students, sending Doug into the past to Pearl Harbor in 1941, and then to Dallas in 1963 where he interacts with Lee Harvey Oswald. Michael is sent into the future to research the lives and deaths of the Chamber members, only to discover a shocking surprise.Gravestone, a sci-fi, suspense novel on time-travel, is an adventure with strong characters, fast-paced action and tension, and with a touch of romance and humor.