This ninth edition continues to provide the focus and practicality that have made this book the standard in machine design for nearly 50 years. It combines the straightforward focus on fundamentals that especially targets the developing engineering student with an accuracy and completeness that makes this text a valued reference for practicing engineers. Key Features New to This Edition New and revised end-of-chapter problems. This edition includes over 1000 end-of-chapter problems, which is an increase of over 40%. There are over 600 new and revised problems Problems linked across multiple chapters. A series of multichapter linked problems is introduced to help students build on their knowledge and understand the connectivity of topics. Enhanced and updated coverage of numerous topics.