The eBook “Field Tour of the USDA National Clonal Germplasm Repository for Tree Fruit, Nut Crops, and Grapes” was developed through a collaboration between Colorado State University and the United States Department of Agriculture. The chapters herein provide training modules in various topics relating to the genetic resource management of clonally propagated plant genetic resources of crops adapted to Mediterranean climates. The current version has 10 chapters. It is a work in progress, and content will be added as time and resources allow.