"The Spirit Ring" for fantasy. Set in a sort of northern Italy with magic. Girl loses boy, girl meets boy, girl saves boy.

"A Civil Campaign" for science fiction. A lost and technologically regressed planet is rediscovered and has to catch up with modern galactic life. Sort of a comedy of technology. Not the first Miles book so look for the others, starting with "The Warrior's Apprentice".

Ooops, that's "Passage At Arms", by Glen Cook.

Silent Passage
A science fiction submarine war story. But a very good submarine war story.

Sweet Silver Blues
Fantasy detective story. A combat vet and private eye tracks down a heiress through vampire nests and centaur war bands stand in the way.

I recommend "Reflex". As in all his (and his wife, Mary's) works, his subject is involved in racing in some way. Probably because Dick Francis was Queen's Jockey at one point.
The protagonist is a jockey whose hobby is photography. He stumbles on a cache of photographic clues left behind by a murdered blackmailing photographer.
He has to find out who the murderer is because the murderer knows he has somehow come in to the possession of the blackmailer's files and is gunning for him.
The back story of the jockey is done to a high standard and is more interesting than the rest of the book, and Dick Francis writes interesting books to start with.