This independent, self-study course on masonry was developed from military sources for use in vocational education. The course provides basic instruction in the skills and knowledge required to enter the masonry trade. The course involves theory and is intended to be used with laboratory or on-the-job training. Some of the job skills included are making and using mixes for erecting structures; reinforcing concrete; mixing mortar for masonry units; using plastering tools and techniques; laying brick; recognizing the characteristics and the use of concrete and stone units; selecting and laying ceramic and quarry tile; and estimating material requirements. The course consists of the following three lessons covering seven chapters in the text: concrete mixes and structures; mortar, plaster, and clay brick; and concrete blocks, stone, tiles, and estimates. Each lesson contains an objective, lesson assignment in the text, and review exercises. The answers to the exercises are keyed to the text, and a discussion of the answers is also provided. A course examination of 30 multiple choice questions, without answers, is included in the packet. (KC)