The 2nd edition of Roadside Geology and Biology of Baja California is completely updated in a 6x9 format with 220 color photographs and 80 sketches and drawings. It includes rock charts, geologic time scale, references, glossary, and an index. This edition completely replaces the 1st edition and The Baja Highway. This book is written for the enjoyment of the average person who has an interest in the natural surroundings and almost unique geology and biology of the Baja California Peninsula. It will provide for your enjoyment as you travel along Baja's highways. The road logs provide kilometer-by-kilometer information on the roadside geology and biology of the highways. This book will introduce you to this magnificent place in a way that you can understand with little or no formal training in geology or biology. It will be useful to a variety of people from individuals with no formal experience to individuals with advanced degrees in the sciences.