JavaScript: The Definitive Guide, 5th Edition by David Flanagan is a comprehensive textbook on Javascript programming, published by O'Reilly Media, Incorporated in 2006. This revised edition features 1032 pages of in-depth content on programming languages, with a focus on Javascript and interactive & multimedia applications. The book is designed for adult education and further education levels, providing a detailed exploration of Javascript in English language format. With its convenient dimensions of 9.2 x 7 x 2 inches and weighing 47.1 ounces, this textbook offers a valuable resource for those looking to enhance their programming skills.