Thrilling Crime Fiction and Mysteries
View all crime and mystery novels here or click the link below for each series:
U.S Marshal Charlie Harlow series (The latest release is book 3, Half Moon Rising.)
Henry Walsh Private Investigator series – 10 “old-school” mysteries readers say remind them of classic PI novels.
Joe Sheldon Crime Stories – A fun ride with lots of action. Former crime journalist Joe Sheldon used to write about crime. Now he’s wrapped up in it…
Jake Horn PI series – Set in 1970’s, Jake’s a single dad who runs an investigative agency in downtown Boston.

Fiction, poems, and a few things in between…
I’ve written over 20 crime and mystery novels, but with a new year comes a new chapter. This time, without the guns and dead bodies.
My upcoming novels and short stories don’t fall under the crime genres the way my previous work has. However, they do have a grittiness you’ll recognize if you’ve read my books.
You can read more about what’s ahead here.
I also write poetry, and you’ll find it framed and ready for your walls here.
New stories, poems, and updates…
Gregory has written over 23 novels, mostly mysteries and crime fiction. But in 2025 he’ll be introducing readers to brand new stories. Stay tuned!
