The Secret Detective Agency Books in Order
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Title
Date
FAQ
How many books are in The Secret Detective Agency series?
3 books
When will the next book in the series be released?
No new book in the series is currently scheduled. The latest book, Murder Most British, was published in November 2025.
When was the most recent book released?
Murder Most British was published in November 2025.
What was the first book in the series?
The first book in the series is The Secret Detective Agency, published in April 2025.
What genre is The Secret Detective Agency series?
The series primarily falls into the Cozy Mystery genre.
Is The Secret Detective Agency series finished?
The series does not currently have a new book scheduled.