Animorphs: The Hork-Bajir Chronicles

'Dak Hamee is a unique Hork-Bajir. His people call him a seer. He learns more quickly and completely than the rest of his docilerace. Hork-Bajir like him are born once a generation.Aldrea is a young Andalite. Daughter of the notorious Prince Seerow. It is only after she and her family are sent to the Hork-Bajirhome world that she begins to fight the Yeerks -- and, with Dak's help, ultimately discovers their hideous plan.Esplin 9466 is the Yeerk that will become the feared Visser Three. He has set out to defeat the Hork-Bajir, and begin the buildingof the Yeerk Empire.This story chronicles the fierce Hork-Bajir wars in a time before the Animorphs.'