Nonlinear Optics presents the key concepts of this field, within a framework aimed at the non-specialist versed in classical electromagnetic theory. It will provide the foundation necessary for access to the specialized literature. The following topics are covered, with emphasis on the key, basic concepts: - Linear and Nonlinear Optical Response of Dispersive Media, - Nonlinear Wave Mixing, - Response of Nearly Resonant Two Systems, - Linear and Nonlinear Pulse Propagation in Fibers, - Linear and Nonlinear Surface Optics, - Basic Concepts of Magneto Opitcs, - Introduction to Chaotic Response of Systems