When Father John Callahan hears the confession of a frightened prison inmate, he learns that a man facing lethal injection is innocent. The 24th letter in the Greek alphabet--Omega--may provide the key to uncovering the killer's identity.

The 24th Letter 2016, Audible Studios on Brilliance

ISBN-13: 9781522656715

MP3 format

The 24th Letter 2012, Createspace Independent Publishing Platform, North Charleston SC

ISBN-13: 9781475128123

2nd edition

Trade paperback

The 24th Letter 2010, Minotaur Books, New York, NY

ISBN-13: 9780312379186