Through eight editions, Fox & McDonalds Introduction to Fluid Mechanics has been one of the most widely adopted textbooks in the field. This highly-regarded text continues to provide readers with a balanced and comprehensive approach to mastering critical concepts, incorporating a proven problem-solving methodology that helps readers develop an orderly plan to finding the right solution and relating results to expected physical behavior. The ninth edition features a wealth of example problems integrated throughout the text as well as a variety of new end of chapter problems. Fox & McDonalds Introduction to Fluid Mechanics integrates case studies at the beginning of each chapter, motivating students by demonstrating how the concepts of fluid mechanics are applied to solve real-world problems. Videos demonstrating various fluid phenomena are integrated throughout the text, building students visualization skills. The coverage of compressible flow has been combined into a single chapter at the end of the book.