"Cycling San Diego" 4th edition by Nelson Copp is San Diego county's most comprehensive guide to 67 San Diego's urban, coastal and rural bike paths and trails. Packed with information, you get full color maps and photos, parking information, elevations, and thorough route descriptions. Additional details include distance, difficulty and riding times. From Oceanside to Palomar Mountain Imperial Beach, the guide book has it all. Published by award winning Sunbelt Publications.