This 128-page hardcover book includes rules for:
– Outcast Gangs
– Free Ogryn Gangs
– Genestealer Cults and Genestealer Corrupted Gangs
– Chaos Helot Cults and Chaos Corrupted Gangs
– The Malstrain and Malstrain Corrupted Gangs
– Spyre Hunting Parties
– Ironhead Squat Prospectors
– Ash Waste Nomad Gangs
– Dramatis Personae
– Brutes, Hangers-on, Ridgehaulers, and Pets

You'll need a copy of Necromunda Skirmish: Core Rulebook to make use of this book.