"What I Saw in California: A Description of Its Soil, Climate, Produce, and Gold Mines, Together with the Best Routes and Latest Information for Desiring Emigrants; to which is added an appendix containing official documents and letters confirming the facts" by Edwin Bryant is an important document that describes in detail the area to which many moved, dreaming of a better life and golden prosperity. In his book, the author provides comprehensive information about the natural conditions of California, shows the paths for migration and provides the most up-to-date information for potential migrants. Official documents and letters confirming the authenticity of the events depicted in the book are also attached to the text. This book will become an integral part of anyone interested in the history of the settlement and development of California in the 19th century."