Schaum's Easy Outline Logic: Based on Schaum's Outline of Theory and Problems of Logic

For a quick nuts-and-bolts overview of logic, there's no book that does it better

Pared-down, simplified, and tightly focused, Schaum's Easy Outline of Logic is perfect for anyone turned off by dense text. Cartoons, sidebars, icons, and other graphic pointers get the material across fast, and concise text focuses on the essence of logic. This is the ideal book for last-minute test preparation.