Comprehensive, up to date and impressively well produced, this spiral-bound, full-color essential guide features sailing directions, large, clear nautical chartlets and satellite images, hundreds of photographs, sample itineraries, suggested walks and good general information on what to do and where to go in Baja and the islands of the Sea of Cortez. Second Edition. Available at exploringcortez.com.  (BJA63, $49.95)