Preface. Introduction. Fundamentals of Inductive Magnetic Head and Medium. Read Process in Magnetic Recording. Write Process in Magnetic Recording. Inductive Magnetic Process. Magnetoresistive Heads. Magnetic Recording Media. Channel Coding and Error Correction. Noises. Nonlinear Distortions. Peak Detection Channel. PRML Channel. Decision Feedback Channel. Off-Track Performance. Head-Disk Assembly Servo. Fundamental Limitations of Magnetic Recording. Alternative Information Storage Technologies.