From publisher blurb:
Science fiction is full of anti-grav vehicles, from flying cars to sophisticated grav tanks, and speeders so fast they scorch the air. Anti-gravity was very common in early science fiction, though advances in scientific understanding have deprecated the idea in more modern writing.
However, anti-gravity is still common in role playing games, and is a staple of Traveller.
This book presents 10 detailed and illustrated grav vehicles, from a lift bike, a grav car, and the ubiquitous G-Carrier, to a pair of military designs.