Recommended course text book
Magnetism in Condensed Matter, S. Blundell (Oxford, 2001).
An excellent and affordable book.
Available at Stanford Bookstore (~$40).
Other related books
Theory of magnetism, K. Yosida (Springer, 1998).
Lecture notes on Electron Correlation and Magnetism, by Fazekas
Quantum theory of magnetism, R. M. White (Springer, 1983)
Magnetism and superconductivity (L. P. Levy, Springer, 2000)
Modern magnetic materials, R. C. O’Handley (Wiley, 2000).
Fisher Research Group
Geballe Laboratory for Advanced Materials
Dept. of Applied Physics