The Twelfth Edition ofTechnical Drawingcontinues to offer the strongest coverage of basic graphics principles. Edition after edition, this text serves as the authoritative source on the subject. With this new edition, we have acted upon the requests of 10 reviewers and 75 survey respondents to improve certain aspects of this book while preserving its core presentation. In particular. the new edition features: New Instructor System:Contains Instructor's Resource Guide in bath hardcopy and MS Word files. 400 question concept testbank in hardcopy in MS Word, pdf files of text art, MS PowerPoint slides of key figures, and AutaGAD files of solutions. www.prenhall.com/giesecke : Updated to contain over35 large format, Flash and Windows Media Player animationsof concepts keyed to sections/figures in the text,Self-Grading Concept Questions--T/F, multiple choice, and fill-in-the-blank questions for each chapter.Essay Review Questions--answer questions from the text on-line and email to an instructor.Reference Chaptersan Graphs, alignment Charts, Empirical Equations and Graphical Mathematics, Glossary of Terms,Chapter Summaries and Objectives, Links--a robust links section on GAD and technical drawing,PowerPoint/PDF filesof art from the text; andEdrawings--a new solid modeling technology that lets you view, rotate, and annotate solid models without any special software. New four-color signature of key drawing techniques/illustrations Content Updates throughout including many new Graphics Spotlight features on topics such as idea generation. Internet drawing communication, and using graphics to design surfboards. New Drawings problems at the end of many chapters and new screen captures throughout the book. All art completely rechecked far accuracy.Giesecke, Frederick E. is the author of 'Technical Drawing', published 0006 under ISBN 9780130081834 and ISBN 0130081833.