This title examines an important historic event, the Zebulon Pike Expedition. Readers will learn about events leading up to the expedition, key players and happenings in the expedition, and the event’s effect on society. Color photos, detailed maps, and informative sidebars accompany easy-to-read, compelling text. Features include a timeline, facts, additional resources, web sites, a glossary, a bibliography, and an index. Essential Events is a series in Essential Library, an imprint of ABDO Publishing Company. Grades 6-9.