Graham Brack trained as a pharmacist but now writes crime fiction. He has been shortlisted three times for the Crime Writers Association's Debut Dagger (2011, 2014 and 2016) without ever winning it. Those three entries involved three different detectives.

The 2011 entry has been published as Lying and Dying by Sapere Books, and has been followed by seven more books about Josef Slonský, a Prague policeman, and his team.

The 2014 offering has been published as Death in Delft and features Master Mercurius, a seventeenth century university lecturer. The second Mercurius mystery, Untrue till Death followed in August 2020 and the third in the series Dishonour and Obey in October 2020. The fourth, The Noose's Shadow arrived in December 2020 and The Vanishing Children in 2021. The sixth book was The Lying Dutchman (2022) and the seventh was Murder in Maastricht (2023). The latest is The Moers Murders . The ninth in the series, Nun Shall Sleep, will be published in January 2026.

Graham is married to Gillian and has two adult children and three granddaughters. He lives in a small village in Northamptonshire.