Codex: Witch Hunters is an expansion codex book for Warhammer 40,000 3rd Edition. This book covers the Dark Angels Chapter of the Space Marines and provides details of their history, chapter organization, equipment, special rules, painting schemes, and army lists.
From the back cover:
The stubborn warriors of the Dark Angels are held in awe throughout the galaxy, but have secretly pursued a sinister vendetta for ten thousand years. Inside you will find:
Army List: Rules and information for new forces available only to Dark Angels armies, such as the renowned Deathwing and Ravenwing. Also included is information detailing new weapons, vehicles, and wargear used by the Dark Angels.
New Scenario: A new Dark Angels mission and rules for playing it.
Hobby Section: Seven full colour pages packed with invaluable tips and advice on collecting, painting and playing with a Dark Angels army.
Special Characters: Rules and information for Dark Angels characters such as Commander Azrael, Chief Librarian Ezekiel and Interrogator Chaplain Asmodai.
This version of the codex is a revison of the previous edition.