The Coils of Time
by A Bertram Chandler
Down into the tortuous coils of time . . .Dr. Henshaw had created what he thought was a time travel machine and he had sent guinea pigs through it. But now he needed a human guinea pig to test it with.Christopher Wilkonsen thought the whole idea was absurd, until a book that had been sent through the machine came back with a thumbprint of his lost sweetheart Vanessa on