This important reference work focuses on the lifestyles and economic life of working class families and looks, decade by decade, into the kind of work they did, the homes they lived in, the food and clothes they bought, the entertainment they sought as well as the society and history that shaped the world Americans worked in from 1880 to 1999. From the wealth of government surveys, social worker histories, economic data, family diaries and letters, newspaper and magazine features, this unique reference assembles a remarkably personal and realistic look at the lives of ordinary working Americans.

DK covers new ground with this series of unrivaled family reference titles. With full-color photographs and a fresh new look at favorite subjects, these remarkable books uncover the real story behind the natural phenomena that shape the world around us. See for Yourself: Water explains how rain, rivers, currents, and oceans shape our landscape and climate, support unique marine habitats, and threaten our coasts and cities with rising sea levels.

Discover the world of frogs, toads, newts, salamanders, their natural history, habitat and fascinating life-cycles. With a series of specially commissioned photographs, Amphibian looks in close-up at the fascinating natural history of these creatures from the bright green, red-eyed tree frogs to dull, burrowing, worm-like caecilians; from startling black and yellow fire salamanders to tiny transparent glass frogs.

In these alphabetically arranged volumes, Warren, along with 227 contributors, strives to "provide a useful resource on the entire scope of photography in the twentieth century." The set has an international reach, and 324 of its 525 entries cover people, mostly photographers. The remaining articles, as outlined in the thematic list of entries, cover "Equipment" (Camera: Digital; Enlarger); "Institutions, Galleries, and Collections" (Museum of Modern Art); "Publications and Publishers" ( National Geographic); "Regions" ( Mexico, photography in); and "Topics and Terms" ( Contact printing, Industrial photography, Photographic "truth"). Some articles, such as Camera: An overview, offer surveys on broad topics. Other, such as C able release, zero in on specifics.