Here in less than 500 pages, the science browser can obtain the lowdown on Astronomy, Geology, Geography, Chemistry, Physics, Mathematics, Biology, Anthropology, Physiology, and Psychology. What- no Einstein Theory? Yes, a page and a half covers that. Psychoanalysis rates two pages. Television, one full page. Radio, a big paragraph, and another paragraph each for automobiles and radios. How did he fill the rest of the pages? With a hundred or so thumbnail biographies of great scientists, a gross or so descriptions of scientific careers, ten booklists, and at the end of each section, a 50 question Quiz. The result may seem on the surface, a miracle of concision and organization, but underneath is a mass of ill-digested highlights that shed very little light indeed.