Approved by the Ministry of Transport Driving Standards Agency as a recommended text for people seeking ADI qualifications, it covers all performance criteria and standards needed to pass the instructional aspects of ADI qualifying examination Part One written test. It is also essential reading when preparing for the Part Three test of ability to instruct. New illustrations and practical examples have been included while the familiar sequence has been retained. Readers will be able to make immediate use of the content that is also readily transferable to education and training at any level. The book may be read from cover to cover, or used for spot reference and it can be dipped into whenever information relating to a particular topic is required.