Honour to the Dead is the thirteenth audio drama for the Horus Heresy Series that was not originally released as part of an anthology or other release. Honour to the Dead was published online in May of 2013 by the Black Library as an audio CD. The audio drama was later republished in prose format as an e-book and later as an enhanced audio book. Honour to the Dead was also published as part of the Legacies of Betrayal main series anthology novel.