A few freebies from authors I've seen recommended:
The Sword and the Dragon by M. R. Mathias
https://www.amazon.com/Sword-Dragon-.../dp/B003X9775Q
Call of the Herald by Brian Rathbone
https://www.amazon.com/Call-Herald-F.../dp/B003ZUYQCA
Ghostwalker by Ben Cassidy (I've read this one, it's not bad!)
https://www.amazon.com/Ghostwalker-C.../dp/B0080AGLEQ