The Lunar Sourcebook, a concisely presented collection ofdata gathered during the American and Soviet missions, isan accessible and complete one-volume referenceencyclopedia of current scientific and technical informationabout the Moon. This book provides a thorough introductionto lunar studies and a summary of current informationabout the nature of the lunar environment. It explores theformation and evolution of the Moon’s surface, the chemicaland mineralogical nature of lunar rocks and soils, and thecurrent state of scientific knowledge about the nature,origin, and history of the Moon.The book is written and edited by scientists active inevery field of lunar research, all of whom are veterans of theApollo program. The contributors are from universities,national laboratories, industry, and NASA.