V.M. Sang 
Horselords [EPUB ebook] 
A Wolves of Vimar Prequel

For all her life, Kimi has been taught that the Wanderers, as the nomadic tribes are known, are violent thieves.

But they are not a threat, and she hopes to have the life of a Settled Horselord, raising horses like her parents. When her family’s horses are stolen, everything changes. Kidnapped by violent tribesmen and threatened with a forced marriage to the chief’s son, she is terrified of what the future will bring.

Fearing for the lives of her father and brothers, will Kimi be able to escape and return home?