Blending practical experience with engineering theory, the authors have created a source of in-depth technical information on the major types of cranes and derricks in use today. Special features include state-of-the-art technical information on tower cranes and mobile cranes; applications of luffing boom cranes and multiple lift cranes; the latest on crane operation safety and owner/contractor liability issues; efficient methods for rapid calculation of loads and forces in designing proper crane installations; information on how to handle unusual construction site problems and adverse weather conditions.