Foundations of Orientation and Mobility, the classic professional reference and textbook has been completely revised and expanded to two volumes by the most knowledgeable experts in the field. The new third edition includes both the latest research in O M and expanded information on practice and teaching strategies. Volume 1, History and Theory, includes the bases of O M knowledge, including perception, orientation, low vision, audition, kinesiology, psychosocial issues, and learning theories, as well as chapters on technology, dog guides, orientation aids, and environmental accessibility. A section on the profession of O M includes its international history; administration, assessment and program planning; and a chapter on research in O M. No O M student or professional can afford to be without this essential resource.