The Crime Writers' Association

A.J. MacKenzie


A.J. MacKenzie is the pseudonym of Marilyn Livingstone and Morgen Witzel, a collaborative Anglo-Canadian husband-and-wife duo. Between them they have written more than twenty non-fiction books on subjects such as economic history and medieval warfare. Their first novel, The Body in the Doorstep, is published by Zaffre in April 2016.

Books by A.J. MacKenzie

  • The Body on the Doorstep