From publisher blurb:
Tired of the tavern? Make some backstory!
Create rich worlds for you roleplaying games with Backstory Cards. With these cards, players and GMs mesh their characters and the game setting together, coming up with unexpected history and engaging plot hooks. Backstory Cards work for every game system, genre, and setting—published settings and those invented by you!
Backstory Cards blend your characters and setting concept into an intriguing set of relationships and history. It’s tailor-made for games where the player-characters already know each other—from fantasy adventurers to star marines, from supernatural beings who share the same city to global-hopping troubleshooters.