A collection of detailed and specialized literature providing comprehensive information and instructions about various aspects of automotive systems, maintenance, repairs, and specifications. These are often used by automotive technicians and enthusiasts to understand, troubleshoot, and repair vehicles. The content can range from engine mechanics, electrical systems, bodywork, to more complex areas like computer systems in modern vehicles. As technical books, they are characterized by a precise focus on facts, figures, diagrams, and step-by-step processes.