I really enjoyed The Friday Night Knitting Club many moons ago when I first started to knit. I didn't like the sequel as much and found it hard to remember who everyone was.
After a bit of a search I haven't come up with anything similar for crochet fans... except this murder mystery series written by Betty Hechtman. The main character is a widow called Molly Pink who owns a book shop, or bookstore as they say in the States.
Has anyone read them? There are five altogether I believe.
Might be worth a try!