This is a valuable reference book for computer enthusiasts and professionals alike. It is a 1979 edition of "Computerist's Handy Databook-Dictionary" written by Clayton L. Hallmark. This trade paperback textbook is published by McGraw-Hill School Education Group and has 96 pages filled with useful information on various computer-related topics. The book measures 210mm in height and 130mm in width, and weighs 150g. It is written in English and is a great addition to any computer science library. Whether you're a student, educator, or just a computer enthusiast, this textbook is a must-have. In good condition…no writing or tears. Minimal shelf wear to covers.