On December 1, 2020, Australian audio publisher Bolinda Publishing will release Robert McCammon’s Mister Slaughter, complete and unabridged, as a 2-disc MP3 CD set and a 16-disc Audio CD set. The recording is the Audible production narrated by Edoardo Ballerini. Bolinda previously released the audio productions of Speaks the Nightbird (MP3 CD), The Queen of Bedlam (MP3 CD), and Freedom of the Mask (Audio CD and MP3 CD).
The sets can be ordered from Amazon AU (MP3 CD / Audio CD). They can also be ordered from Book Depository in the UK, with free worldwide shipping (MP3 CD / Audio CD).