Free shipping. Great book lightly used. The Gypsum Construction Handbook 90th Edition 1992 is a comprehensive textbook focusing on construction techniques. With 528 pages, this handbook covers a wide range of topics related to construction, making it a valuable resource for architects, builders, and students in the field. Being a 90th edition, it likely includes updated information and guidelines that are essential for those looking to stay current in the construction industry. This handbook is a must-have for anyone interested in expanding their knowledge and skills in the realm of construction.