Underwater Investigation Unit Books In OrderPublication Order of Underwater Investigation Unit BooksLeave a Reply
| The Girl Beneath the Sea | (2020) | Description / Buy at Amazon |
| Black Coral | (2021) | Description / Buy at Amazon |
| Sea Storm | (2022) | Description / Buy at Amazon |
| Sea Castle | (2023) | Description / Buy at Amazon |
| Dark Dive | (2024) | Description / Buy at Amazon |