| 'Case for the Master Sleuths' Novels |
|
| 1) Cats and Other Calamities |
2022 (Austria 2022) |
| 2) Never Blame the Gardener |
2022 (Austria 2022) |
| 3) The Wednesday Evening Club |
2022 (Austria 2022) |
| 4) The Curse of the Cat Goddess |
2023 (Austria 2023) |
| 5) Horses and Other Hazards |
2023 (Austria 2023) |
| 6) The Grave in the Dunes |
2023 (Austria 2023) |
| 7) The Brotherhood of Death |
2024 (Austria 2023) |
| 8) Waltzing with Death |
2024 (Austria 2024) |
| 9) Only Murders in the Forest |
2024 (Austria 2024) |
| 10) Murder on the Serenissima Express |
2024 (Austria 2024) |
| 11) Gangsters, Ghosts, and Gondolas |
2025 (Austria 2024) |
| 12) The Horned One's Secret |
Due February 2026 (Austria 2025) |
| 'Murder in Antiquity' Novels |
|
| 1) Murder at the Limes |
2022 (Austria 2018) |
| 2) Death of a Preacher Man |
2022 (Austria 2019) |
| 3) Grand Tour Into Death |
2022 (Austria 2020) |
| 4) The Deadly Gladiatrix |
2022 (Austria 2021) |
| 5) Cursed to Die |
2023 (Austria 2022) |
| 'Penny Küfer' Novels |
|
| 1) Murder on the Occident Express |
2022 (Austria 2018) |
| 2) Death of a Snoop |
2022 (Austria 2018) |
| 3) Deep Dive Into Death |
2022 (Austria 2019) |
| 4) Arsenic and French Lace |
2022 (Austria 2020) |
| 5) The Curse of the Fire Pearl |
2022 (Austria 2020) |
| 6) The Maus Trap |
2022 (Austria 2020) |
| 7) Penny Küfer's Christmas |
2022 (Austria 2020) |
| 8) The Phantom of the State Opera |
2023 (Austria 2021) |
| 9) Evil Under the Stars |
2024 (Austria 2021) |
| 10) A Curse in the Family |
2024 (Austria 2021) |
| 11) Gone With the Waves |
2024 (Austria 2022) |
| 'Westerholt & Storm' Novels |
|
| 1) Mine Is the Night |
2025 (Austria 2024) |
| 2) The Lies She Spun |
2025 (Austria 2025) |
| 3) The Locked Rooms |
2025 (Austria 2025) |
| 4) Evil Does Not Repent |
2025 (Austria 2025) |
| 5) Venus Must Die |
Due January 2026 (Austria 2025) |
| Other Novels |
|
| 1) You Are Not Safe |
2025 (Austria 2021) |
