This compact reference succinctly explains the engineering profession's codes of ethics using case studies drawn from decisions of the National Society of Professional Engineers' Board of Ethical Review, examining ethical challenges in engineering, construction, and project management. It includes study questions to supplement general engineering survey courses and a list of references to aid practicing engineers in exploring topics in depth. The author discusses recent headline-making disasters such as the Challenger explosion and the Chernobyl nuclear catastrophe; considers the merits and drawbacks of professional codes of ethics; and outlines legal standards for liability.