Aldrea is a young Andalite. Daughter of the notorious Prince Seerow. It is only after she and her family are sent to the Hork-Bajir home 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 warlord, Visser Three. He has set out to defeat the Hork-Bajir, and begin the building of the Yeerk empire. This story chronicles the fierce Hork-Bajir wars in a time before the Animorphs. Available in hardcover.