Murder in Containment: Doyle and Acton Scotland Yard Mysteries, Book 4 (Unabridged)
2017
Murder in All Honour: Doyle and Acton Mysteries, Book 5 (Unabridged)
2018
Murder in Shadow: The Doyle and Acton Murder Series, Book 6 (Unabridged)
2018
Murder in Thrall (The New Scotland Yard Mysteries)
2013
Murder in Misdirection: A Doyle & Acton Mystery (The Doyle and Acton Scotland Yard Series, Book 7) (Unabridged)
2019
Murder in Retribution (The New Scotland Yard Mysteries)
2014