"Some of the most magnificent spring wildflower displays in California occur in the state's deserts. In fact, California's deserts support a remarkable abundance of plants and animals year-round, making them a rewarding destination for outdoor enthusiasts as well professional naturalists. First published forty years ago, this popular field guide has never been superseded as a guide to the wildflowers in these botanically rich areas. Easy-to-use, portable, and comprehensive, it has been thoroughly updated and revised throughout, making it the perfect companion to take along on excursions into the Mojave and Colorado Deserts." "It includes 220 new color photographs and 123 detailed drawings and now describes more than 240 wildflowers; and covers such popular recreation destinations as Death Valley, Palm Springs, and Joshua Tree National Monument."--BOOK JACKET.