The Codex Necro is the first full-length album by British black metal band Anaal Nathrakh, released on 27 November 2001.The album was re-released on 24 April 2006, with four additional bonus tracks taken from the John Peel BBC Radio One Session broadcast on 16 December 2003. It was again re-released in 2009, with four additional bonus tracks taken from the We Will Fucking Kill You demo.