Fundamentals of Cost Accounting is a concise and practical guide designed for students seeking to understand cost accounting principles. Authored by William Lanen, this third edition offers a streamlined approach, covering essential concepts in approximately 700 pages—making it ideal for one-semester courses. The text focuses on key ideas, supported by real-world applications through opening vignettes and In Action boxes that illustrate how these concepts are applied in practice. Each chapter concludes with a “Debrief” section, reinforcing the connection between theoretical knowledge and managerial decision-making faced by professionals. Comprehensive end-of-chapter problems ensure students gain thorough mastery of each topic, preparing them for practical challenges in cost accounting.