The Official Rails-To-Trails Conservancy Guidebook: California is a paperback book published by Globe Pequot Press, T.H.E. It is part of the Rails-To-Trails Ser. series and written by authors Tracy Salcedo-Chourre and Ron Quinn. The book covers topics related to hiking and walks in California, making it a valuable resource for travelers and outdoor enthusiasts looking for information on special interest trails in the United States. With a focus on sports and recreation, this guidebook provides detailed information and illustrations to help readers explore the beautiful trails of California.