<i>Groundwater Age</i> is the first book of its kind that incorporates and synthesizes the state-of-the-art knowledge about the business of groundwater dating – including historical development, principles, applications, various methods, and likely future progress in the concept. It is a well-organized, advanced, clearly written resource for all the professionals, scientists, graduate students, consultants, and water sector managers who deal with groundwater and who seek a comprehensive treatment of the subject of groundwater age.