Dragon Storm - Lindsay Buroker

Dragon Storm is the first novel in the Heritage of Power series. This book is available through kindleunlimited.

Trip Yert is newly promoted captain, and a flyer in the King's army. Then he's picked for a mission to close the portal that dragons are using to get into his world. Trip is going to find out things about himself he's long suspected but hoped weren't true. He's going to play an important role is the war against the dragons. If he lives that long. Very highly recommended.