Treasure for Treasure by R Cooper
Scales and Sensibility by Stephanie Burgis
Heart of the Dragon by Jordan L Hawk
Secondhand Skin by Hailey Turner
The King's Dragon by WM Fawkes and Same Burns
The Queen of Ieflaria by Effie Calvin
Knight's Fire by SJ Himes
Corin and the Courtier by Eliot Grayson
The Envoy's Honor (Chronicles of Tournai Book 8, though stands alone)
To Love the Dragon King (Dragons of Ivria Book 1)
What are your favorite dragon books?