Fundamental processes of craze growth and fracture.- Effect of molecular variables on crazing and fatigue of polymers.- Crazing of polymer-diluent mixtures.- Micromechanics of fracture under static and fatigue loading: Optical interferometry of crack tip craze zones.- Optical interferometry: Running crack-tip morphologies and craze material properties.- Competition between crazing and shear flow during fatigue.- Crazing and toughness of block copolymers and blends.- Crazing in semicrystalline thermoplastics.