May 21st, 2026: Body of Lies (Kat and Lock, #4)
Human Remains (Kat and Lock, #3) was the most recently released book by Jo Callaghan, on April 24th, 2025.
Jo Callaghan Stats: The highest rated book by Jo Callaghan on Book Notification is In The Blink of An Eye, the first novel in the Kat and Lock series.
The most read book by Jo Callaghan on Book Notification is In The Blink of An Eye, the first novel in the Kat and Lock series. The second most read book is Leave No Trace (Kat and Lock #2).
Below is a complete list of Jo Callaghan books in publication and chronological order, broken down by series. The most popular series by Jo Callaghan is the Kat and Lock Series.
A detective and the world's first AI partner solve crimes together.
Jo Callaghan is the author of the Kat and Lock series which currently consists of 4 novels. The Kat and Lock series started in 2023 with the novel In The Blink of An Eye. The most recently released novel in the Kat and Lock series was Human Remains which was released in 2025. There is an upcoming novel for the Kat and Lock series titled Body of Lies which is being released on May 21st, 2026.
Callaghan's books have won multiple awards, In The Blink of An Eye won the Crime Writer's Association Award, New Blood Dagger Award, in 2024 as well as Theakston's Old Peculier - Crime Novel of the Year in 2024.
Jo Callaghan books have also been nominated for multiple awards, In The Blink of An Eye was nominated for the CrimeFest, Crime Fiction Debut Award, in 2024 as well as the Barry Award - Best First Novel in 2025.
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Home » Authors » Jo Callaghan List of Books
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