The 57th edition San Diego County Thomas Guide® provides the most highly accurate, richly detailed mapping available for the area. Easy-to-read, contiguous street-level maps cover a large area, with a landscape-style layout and spiral binding for maximum convenience on the go.

Count on your Thomas Guide® to give you the most accurate directions available and streets you won't even find on MapQuest.

Fully updated with hundreds of new streets and updates for the most accurate representation of the area; Easy-to-read scale and consistent map scale from page to page; Landscape layout with lay-flat spiral binding; ZIP codes, county boundaries and transit information; Full coverage of all cities and communities; Complete street index; Fully indexed points of interest; Easy-to-use Page & Grid System; Township tier, range, and section numbers.

More than 225 communities covered, including: Brawley, Carlsbad, Chula Vista, El Cajon, El Centro, Encinitas, Escondido, National City, Oceanside, Poway, San Marcos, and Vista