Join Colorado author Sara M. Schaller for the book launch of The Testament of Thirteen, the final novel in the author's young adult series The Empyrean Trilogy. This includes The Genesis of Seven and The Revelation of Three. Sara will talk about the final book and the continuation of the story—the battle between good and evil and how those forces must unite to defeat a greater darkness. Book sale and signing will follow the author's presentation. TEENS/ADULTS. REGISTER NOW.