Principles of Risk Analysis: Decision Making Under Uncertainty, authored by Charles Yoe and published by CRC Press in its 2nd edition on January 30, 2019, explores the essential principles of risk analysis within decision-making processes. The book emphasizes understanding both known and unknown elements to make informed decisions, highlighting how best available evidence guides assessments while acknowledging the significance of uncertainties. Addressing the evolving landscape of risk analysis science, the second edition introduces several enhancements, including five new chapters that expand the scope of content. Yoe’s clear and concise writing, grounded in his extensive experience as a risk analyst, trainer, and educator, demystifies complex concepts, making the book accessible to professionals from various disciplines aiming to become effective risk practitioners. This comprehensive guide details the tasks of risk management, risk assessment, and risk communication, offering detailed insights and practical tools for decision-makers navigating uncertain environments.