The Fringe Worlds

The Fringe Worlds - T.R. Harris Navy SEAL Adam Cain wakes up and finds himself on an alien ship that was about to be boarded by pirates but had been intercepted instead by a salvage ship.

After the shock of realising where he is wears off, he then discovers that no one knows the location of earth to get him back home.

Clues are on the alien ship, but various factions want the secrets for themselves. Adam and the salvage crew get into various scrapes along the way. They also find out that humans are better and stronger than most other species they encounter.

The characters behave believably enough, the uneasy alliance between the salvagers and Adam as they get to know about each other is done quite well.

The other species all have their own quirks and customs to make them unique.