We'd also like to point out some special bargain priced editions published by Head of Zeus. Three Great Historical Mysteries is a collection featuring fellow Poisoned Pen Press authors Bruce Macbain with Roman Games and Priscilla Royal with Wine of Violence. John's debut One For Sorrow makes up the set. Together these span classical Rome, later Rome and the Middle Ages.
In addition to individual single titles Head of Zeus also offers a boxed set of the first four John novels in the Murder In Byzantium collection.
Finally there is a 48 page mini-book featuring one of John's early adventures, The Body in the Mithraeum.
Head of Zeus: https://headofzeus.com/books/9781781858394 Amazon: https://tinyurl.com/tmvwcsu8