This series reports on the latest research from around the world in electromechanical, materials science, design, and manufacturing problems of magnetic and optical information storage devices and systems. These 35 papers cover various aspects of the magnetic information storage industry in these areas: overview of information storage technology; tribology and mechanics of flexible magnetic media, tribology and mechanics of magnetic rigid disks; dynamics and control of magnetic rigid disks; and thermo-fluid mechanics problems in magnetic rigid disks.