...

I haven't--but Alice Kimberly I believe is also Cleo Coyle(husband and wife writing team)--at least that's what google tells me. I like the coffee shop series under the Cleo Coyle penname. 

I have really enjoyed this series.  I thought it would be hokey, a smart aleck ghost in a bookshop, 'yawn'.  But they are great, the romantic tension between the main character and the ghost is very absorbing, and unlike The Ghost and Mrs. Muir, the author has figured a way to get them together.  The flashbacks to the ghost's past are more interesting than the bookstore mystery part, but as a whole the story works well.  I think you'll enjoy it. 

I second the recommendation. These are a wonderful books. I just finished the second in the series, The Ghost and the Dead Deb, and was very wonderfully surprised at some fresh twists the author introduced. I thought I might read one cozy too many recently, having just finished one that was overloaded with quirky and cute, but this series restored my faith in the genre.

Rebecca

There is a preview of a fourth book within the third one, but, so far, no sign of its being forthcoming yet.

.

I've read all three and waiting for the fourth one.

Enjoyed the series immensley

Leyba

 These are really great cozies.  It's a fresh perspective on the ghost sidekick, and after a while, you really get into the slang of the '40's.  I love her twists and turns and how she's getting the heroine to help herself while the ghost  helps her solve the mystery.  Plus it's set in Rhode Island, and I always get a kick out of the author's explaining how something really sounds, you know, the old "I pahked my cah in Hahvahd yahd schtick!"   Which is funny, since I'm from MA, it's how I hear it in my head, anyway ;)