There are 3 books in the The Investigation Duo series. The newest book is Memory Hunter which came out in 2021.

1
Where the Truth Hides

Book cover of Where the Truth Hides
Buried secrets can be deadly.

Becky Morgan has a life most women would envy until a car accident lands her in the hospital. She insists she’s fine, but it quickly becomes clear she’s changed. She’s forgetful, paranoid, short-tempered. Her husband wants to write off her change in personality to the…
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2
The Dark Inheritance

Book cover of The Dark Inheritance
Best friends, Becky and Jules, open a detective agency, Investigation Duo, to help others solve their family mysteries. Their new careers turn dangerous when their first big case lands them right in the middle of a murder. But can they figure out whose greed turned deadly before they're next?

As…

3
Memory Hunter

Book cover of Memory Hunter
If her past catches up with her, it could be deadly.

After a vicious attack, Brittany Mullins recovers but has no memory of who she is or what’s happened to her. She has keys to a recently rented apartment, but the police are convinced the name on her driver’s license…