Gold, Frankincense and Murder by Barbara Early
This is a cute little mystery. The suspect list is short, and the clues are sprinkled throughout, but I for one didn't put them together until the reveal. Then it all made sense.
I like Donna as a main characters. She's not perfect, maybe a bit nerdy, but caring and smart and not too young. I don't know why she was so suspicious of the dead guy's friend so quickly, and of course the missing man turns up murdered not long after it's discovered he's missing. I understood that she at first thought he was out of her league romantically, but she jumped to maybe he was the killer pretty quickly for someone who she meets for the second time in church. Of course, it is just a novella and she had to meet him, suspect him, and start a bit of a romance with him all in a short period, so maybe that explains it. And Sam just kept trying. He's a good...