The Vintage The Office Encyclopedia How To Do It Manual by N.H. & S.K. Mager 1960 is a comprehensive guide to modern business procedures, specifically tailored for office use. With 502 pages of illustrated text, this paperback book serves as a valuable resource for adults looking to improve their office skills. Published by Pocket Books in the United States, this manual covers a wide range of topics related to office procedures, making it a practical tool for improving efficiency and productivity in any workplace.