Dragon in Denial

Ketu Ormarr has a daunting task list:
Take down the drug trade that has been plaguing his dragon colony for a decade.
Avenge his sister's death.
Protect his sister's best friend, Antoinette Dupré, and her son, Henri.
Try not to fall in love with his sister's best friend.
No problem, right?

Taming the Dragon series in reading order:
Dragon His Heels
Hungry Like A Dragon
Dragon In Denial