Comprehensive book on the different methods, direct or indirect, for dating in archaeology. A theoretical look at the problems of dating is given. This is followed by detailed explanations on geological phenomena, archeomagnetism, radioactive isotopes, ect. Methods which are still in an experimental phase are discussed. Dating, paleontology; archaeology, stratigraphy; sediment, dating; obsidian, hydration dating; dating, science; dating, thermoluminescence; dating, uranium; dating, potassium argon; dating, chemistry.