There are several widely used undergraduate textbooks in electromagnetism, including David Griffiths ' Introduction to Electrodynamics as well as Electricity and Magnetism by Edward Purcell and David Morin. Richard Feynman 's Lectures on Physics also include a volume on electromagnetism that is available to read online for free, through the California Institute of Technology. In addition, there are popular physics textbooks that include electricity and magnetism among the material they cover, such as David Halliday and Robert Resnick 's Fundamentals of Physics.