The Noricin Chronicles was Mark Sheldon’s debut series as an author. A 12-part serial of novels focused on the adventures of Dan Regal, a young boy who finds out that he is part of a secret race of humans with supernatural powers.

The Sarah Killian: The Joy of Killing trilogy was Mark Sheldon’s second series of novels and focuses on the exploits of Sarah Killian, a serial killer for hire, who works for a secret organization of professional killers known as the Trusted Hierarchy of Everyday Murderers (T.H.E.M.)

The Motif is a novella that Mark Sheldon has self-published for free on Wattpad.

When her teenage sister, Kimmi, is brutally murdered with her boyfriend at a school dance by a jealous classmate, Jennifer Carter suspects there is more to the crime than initially meets the eye. As she begins to dig deeper, she uncovers a wide-spread mystery involving an enigmatic ringtone being distributed like a computer virus over social media. The deeper she descends into the mystery of the haunting motif, the more she becomes entangled in its dangerous web.