Every new and groundbreaking archaeological discovery refines our understanding of human history. This title examines the exploration and study of Emperor Qin s terra-cotta army. The book explores the mausoleum s creation, traces its discovery and scientific investigation, and discusses future study and conservation efforts. Well-placed sidebars, vivid photos, helpful maps, and a glossary enhance readers understanding of the topic. Additional features include a table of contents, a selected bibliography, source notes, and an index, plus a timeline and essential facts. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.