The "Hydroponic Crop Production" book is a hardcover publication by Lon Dalton and Rob Smith, focused on the technology and engineering aspects of hydroponic gardening. The book delves into the science of agriculture, agronomy, and crop science, offering insights into hydroponics and its applications in crop production. Written in English, this comprehensive guide provides valuable information on hydroponic farming techniques and practices for those interested in maximizing crop yields through innovative growing methods.