Hett by Ashley L. Hunt

The long awaited story of the Novai race of dragon-shifter aliens has arrived…

In exile after the cataclysmic destruction of their home planet, the Novai have now found a new home…but they are not alone.
Led by two warrior commanders, Balor and Hett, the Novai species have landed on a new planet. The journey has caused many of them to evolve.
Hett finally gets to spread his wings and explore the new planet, but soon discovers a subterranean tribe that will change the tragectory of his life forever.
Evelyn is the headstrong princess of her tribe. She longs to reach the surface she has grown up hearing about, but she doesn’t expect to find alpha-dragon explorers…
Evelyn’s strong-will and Hett’s sense of duty might save them from all-out war between their peoples. Can they survive the clash of civilizations? Or will they be torn apart in strife?

Hett’s dragon-evolution fascinates Evelyn in every way. Can he control his new strength to satisfy her and keep her safe?