This is an expansion for the game Star Fleet Battles Captain's Edition. This is the description on the cover:Includes all the rules needed to for play: - the Krebiz: a new star faring race - the sabot: a powerful heavy weapon - capsule separation: a unique Krebiz ship operation - directional armor: a left-over from centuries old ships - cruiser / capsule combinations: make for a small, yet versatile fleetHistorical background for the Krebiz: - Krebiz history - Krebiz ship names - 3 historical scenariosTechnical information including: - a fleet data table listing all the Krebiz ships - ship descriptions for 52 Krebiz units - refit rules for Krebiz cruisers - Krebiz tactical concepts - all necessary annexes - the Krebiz tournament cruiserAlso included: 27 pages of Companion SSDs displaying 34 Krebiz unitsExpands Star Fleet Battles - Captain's Edition Basic Set - BoardGameGeek