Light-Years Beneath My Feet

Abducted by aliens to be sold as pets in a more civilized part of the galaxy, earthlings Marcus Walker and a scruffy dog named George (speech-enhanced to increase his market value) have managed to escape their captors. Walker loves being humankind's first galactic traveller - until he remembers he hasn't a clue where his home is or how to get there. So the erstwhile commodities broker becomes a ch...