The Unified Modeling Language User Guide by Ivar Jacobson is a comprehensive textbook on programming and object-oriented design, focusing on the Unified Modeling Language (UML). Published by Addison Wesley Professional in 2005, this revised edition covers essential concepts and techniques in object-oriented programming. Authored by Ivar Jacobson, Grady Booch, and James Rumbaugh, the book is part of the Addison-Wesley Object Technology Series and is written in English. With 496 pages, this hardcover guide is a valuable resource for students and professionals looking to deepen their understanding of UML and its practical applications.