Inside this 96-page hardback book, you'll find:
- History and background of the Sons of the Lion
- Artwork
- 16 datasheets to add to those found in Codex: Space Marines, including the Dark Talon, Land Speeder Vengeance, and more
- Three themed Detachments, the Unforgiven Task Force, Inner Circle Task Force, and Company of Hunters, each with their own special rules
- Crusade rules
- Combat Patrol rules
- An 'Eavy Metal showcase Citadel miniatures
You'll need a copy of Codex: Space Marines, available separately, to use the contents of this book fully.