Five or six weeks ago I read Mercedes Lackey's Collegium Chronicles - somehow I missed this particular Valdemar series - and a reference somewhere in one of the books caused me to pull my copy of Magic's Pawn from my bookshelf to check something.
Result!
A re-read of all three.
You might like to have a try at Diane Duane's 'The Door Into Fire'.
Like Mercedes Lackey, she had no hesitation in publishing mainstream fantasy novels featuring gay characters as the main protagonists.
And also like M L, they are characters who grab your heartstrings (IMHO)