Walter Benenson & John W. Harris 
Handbook of Physics [PDF ebook] 

The Handbook of Physics is a complete desktop reference for scientists, engineers, and students. A veritable toolbox for everyday use in problem solving, homework, examinations, and practical applications of physics, it provides quick and easy access to a wealth of information including not only the fundamental formulas of physics but also a wide variety of experimental methods used in practice. Compiled by professional scientists, engineers, and lecturers who are experts in the day-to-day use of physics, the Handbook covers topics from classical mechanics to elementary particles, electric circuits to error analysis. The previous editions in German are renowned for their clarity and completeness.