An outgrowth of short courses Yoder has taught for the Society and a companion to his (SPIE, 1995). Describes various approaches and evaluates their advantages and disadvantage. Also discusses such aspects as the attributes of a successful interface and estimating contact stress. Highly illustrated with diagrams. Addressed to engineers and other practitioners in optical engineering and optomechanical design. Annotation c. by Book News, Inc., Portland, Or.