Conrad's Time Machine: A Prequel to the Adventures of Conrad Stargard (Cross-Time Engineer)

Just out of the Air Force, Tom Kolczyskrenski joins two old friends--mechanical engineer Ian McTavish and behavioral scientist Jim Hasenpfeffer--who hit the road on their motorcycles, but their plans change when they stumble upon a mysterious machine that takes the three of them on a bizarre odyssey through time. Reprint.