Matthew Frank is a Kent-based author who works as an architect during non-writing hours. His debut novel, If I Should Die, introduced Trainee Detective Constable Joseph Stark, newly discharged from the Territorial Army on medical grounds following a firefight in Helmand. Swapping one uniform for another, Stark discovers that the criminals of south-east London can be just as taxing as the Taliban. If I Should Die was published by Penguin.
The second Joseph Stark thriller, Between the Crosses, was published in September 2016, and the third in the series, The Killer Inside, appeared in summer 2021.