The PostScript Language Reference by Inc. Staff Adobe Systems is a comprehensive textbook focusing on the PostScript programming language, covering areas such as desktop publishing and design & graphics. Published by Addison Wesley Professional in 1999, this trade paperback edition spans 912 pages and includes information in both English and Arabic. With a detailed exploration of programming languages and specific desktop applications, this book is a valuable resource for those interested in enhancing their skills in the field of computer programming and graphic design.