Oscar de Muriel Books In OrderPublication Order of Frey & McGray BooksLeave a Reply
| The Strings of Murder | (2015) | Description / Buy at Amazon |
| The Hunt | (2015) | Description / Buy at Amazon |
| A Fever of the Blood | (2016) | Description / Buy at Amazon |
| A Mask of Shadows | (2017) | Description / Buy at Amazon |
| The Loch of the Dead | (2018) | Description / Buy at Amazon |
| The Darker Arts | (2019) | Description / Buy at Amazon |
| The Falling Shroud | (2020) | Description / Buy at Amazon |
| The Dance of the Serpents | (2020) | Description / Buy at Amazon |
| The Sign of the Devil | (2022) | Description / Buy at Amazon |