This is a wonderful time travel novel which includes a terrifying scene where the heroine is trapped in Pompeii when Vesuvius erupts in 79 A.D.
Sybil Johnson is a graduate student in archaeology. She is driving through a thunderstorm when suddenly a pattern of brilliant white light opens in front of her car - and next thing she knows she is a slave in ancient Rome.
Logan McKee, a former commando, now a mental patient, has been allowed out for a walking in a Florida swamp. He too gets caught in thunderstorm - and turns up in Alaska five years later.
Charlie Flynn was a tough Miami cop, who crossed the wrong criminals - and found himself a gladiator, forced to fight in the arena. It goes downhill from there ...
All three of them are castaways in time, all victims of the same evil conspiracy, all kept alive by the same anger and determination to stop the people responsible.
There is one absolutely huge snag with this book, which is that it is only the first half of the story - and we have been waiting for the sequel, "Unholy Trinity" for eleven years.
Come on Linda, please, please, please get round to writing the rest of the story !