1. Holy Island: A DCI Ryan Mystery (2016)
2. Sycamore Gap: A DCI Ryan Mystery (2016)
3. Heavenfield: A DCI Ryan Mystery (2016)
4. Angel: A DCI Ryan Mystery (2016)
5. High Force: A DCI Ryan Mystery (2017)
6. Cragside: A DCI Ryan Mystery (2017)
7. Dark Skies: A DCI Ryan Mystery (2017)
8. Seven Bridges: A DCI Ryan Mystery (2018)
9. The Hermitage: A DCI Ryan Mystery (2018)
10. Longstone: A DCI Ryan Mystery (2018)
11. The Infirmary: A DCI Ryan Mystery (2019)
12. The Moor: A DCI Ryan Mystery (2019)
13. Penshaw: A DCI Ryan Mystery (2019)
14. Borderlands: A DCI Ryan Mystery (2019)
15. Ryan's Christmas: A DCI Ryan Mystery (2019)
17. Cuthbert's Way: A DCI Ryan Mystery (2020)
18. The Rock: A DCI Ryan Mystery (2021)