Minna´s Quest by Peyton, K.M.

From a classic author comes a thrilling and romantic pony adventure set in Roman Britain. Synopsis: Strong-willed Minna is just a blacksmith's daughter, yet she raises a sickly abandoned foal to become the pride of the Roman cavalry. When her fort is threatened by bloodthirsty pirates, the fate of her people depends on Minna and her beloved horse, as they set out on an impossible journey to fetch help. Set in a beautifully atmospheric Roman world, this classic story will enchant girls looking for action, adventure and romance.