This collectible 3-book bundle from the renowned Audels series offers invaluable trade knowledge for mechanics, builders, and masons, making it a must-have for collectors of vintage construction manuals. Audels Answers on Blueprint Reading for Mechanics and Builders (1942) provides a detailed foundation in reading and interpreting blueprints, covering architectural symbols, drafting techniques, and structural planning. Audels Masons and Builders Guide #3 (1961) and Guide #4 (1960) delve into essential masonry techniques, materials, and construction principles, preserving time-honored trade skills. These well-illustrated, highly detailed guides remain sought after by builders, historians, and collectors of classic vocational books.

All three books are in good condition, with expected wear and toning for their age. Audels Answers on Blueprint Reading for Mechanics and Builders bears the previous owner’s name inside. The covers and spines show minor handling wear, and pages remain clean and legible. A great set for both practical use and historical appreciation.