The title derives from Laplace's assessment of Euler (1707-83): "Read Euler ... He is the master of us all." For the mathematically literate, Dunham (mathematics, Muhlenberg College, Allentown, PA) introduces the visually impaired genius (whose picture graces 10 franc Swiss currency); places his contributions to number theory, infinite series, and other diverse areas in a historical context; and outlines his magnum opus, Opera Omnia . Annotation c. by Book News, Inc., Portland, Or.