In “Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas,” James E. Deacon meticulously examines the ecological impact of prolonged drought conditions on fish populations within these two important river systems. Utilizing a blend of empirical data, statistical analysis, and observational studies, Deacon delineates patterns of species resilience, population dynamics, and community structure. His rigorous approach, rooted in both quantitative and qualitative methodologies, situates the work within the broader context of freshwater ecology and conservation, posing critical questions about the sustainability of aquatic biodiversity amidst changing climatic conditions. James E. Deacon, a prominent figure in ichthyology and aquatic ecology, draws upon decades of research in the central plains of the United States. His extensive fieldwork and previous studies on fish adaptations and population metrics provide him with a unique perspective, enabling him to offer both a scientific and personal narrative. This rich background not only informs his analysis but also reflects his deep commitment to the preservation of freshwater ecosystems, particularly in the face of environmental stressors. This book is highly recommended for ecologists, conservationists, and policy-makers interested in freshwater systems. Deacon's insights into the resilience and adaptability of fish populations provide essential implications for habitat management and restoration efforts. It is a crucial resource for anyone seeking to understand the intersection of hydrology, climate change, and aquatic life.