There are 5 books in the True Blue Mysteries series. The newest book is True Blue Christmas which came out in 2023.

1
Blue Plate Special

Book cover of Blue Plate Special
Campbell McBride drives to her father’s house in Murray, Kentucky, dreading telling him she’s lost her job as an English professor. Her father, Bill McBride, isn’t there or at his office in town. His brash young employee, Nick Emerson, says Bill hasn’t come in this morning, but he did call…
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2
Ice Cold Blue

Book cover of Ice Cold Blue
Campbell McBride is now working for her father Bill as a private investigator in Murray, Kentucky. Xina Harrison wants them to find out what is going on with her aunt, Katherine Taylor. Katherine is a rich, reclusive author, and she has resisted letting Xina visit her for several years. Xina…

3
Persian Blue Puzzle

Book cover of Persian Blue Puzzle

An antisocial cat, an elusive investment broker, and a hope-selling psychic raise suspicions in a western Kentucky community.

Someone’s broken into Miss Louanne’s house. Campbell McBride and her father Bill have moved their home and detective business into an old Victorian house. Their new neighbors bring in unexpected cases for…

4
Scream Blue Murder

Book cover of Scream Blue Murder

An old photo, a twister, and a friend being stalked …

A tornado rips through town, and Campbell McBride and her dad take shelter. Afterward, they try to help others who were hard hit, and a body is discovered in the debris of a cottage near their friends’ home. Was…