The Horse Who Walked Through Time

The exciting conclusion of The Horse in the Mirror, the saga of Isadora and her horse, Lark. The Alliance has lost control of the Mirror, and Lark is the key to regaining that control. The Alliance is poised to annihilate all the Hluit if they don't return Isadora and Lark. The Hluit realize their survival depends on who controls Lark. But how can they stand against the superior force of the Alliance?