From publisher blurb:
Frontier Sector awaits you in newest setting for Adventurers!
The exoticism of space opera meets space western in this setting: the heroes are Space Rangers, the last bastion of law in the Frontier Sector, protecting human colonies scattered among a number of far, untamed planets. They hunt outlaws and space pirates, bring medical help and advance the exploration of a largely unknown area of the universe.
Remember the Old West? Well, this is the same, but in space. And now, as millennia ago, the motto is still true: "One Riot, One Space Ranger". So take your old, battered spaceship, bring your posse with you and be ready to protect the Galaxy. Space ship rules (with customization options) included!
And as other Adventurers! settings, Space Rangers include:
A player guide (with a description of the world, new Skills, gear and much more)
A game master guide (with a mini-gazetteer, specific magic and monster rules)
A full-fledged scenario
6 Pre-generated heroes
20+ new monsters on Monster Cards (so you can easily consult them during the game)