Australian audiobook publisher Bolinda has released The River of Souls on CD and MP3 CD, and they will re-release Freedom of the Mask—with matching artwork—on June 1, 2021. These are the Audible productions narrated by Edoardo Ballerini.

All of the Matthew Corbett books published so far will now available on CD and/or MP3 CD, at various price points. You can find handy ordering links on the Audiobooks page.

Both titles can be ordered from Book Depository now. They offer free worldwide shipping.