Book excerpt: Authoritative. Concise. Easy-to-Use. Schaum's Easy Outlines are streamlined versions of best-selling Schaum's titles. We've shortened the text, broadened the visual appeal, and introduced study techniques to make mastering any subject easier. The results are reader-friendly study guides with all the impressive academic authority of the originals. Schaum's Easy Outlines feature: Concise text that focuses on the essentials of the course Quick-study sidebars, icons, and other instructional aids Sample problems and exercises for review Expert advice from authorities in the field