ITIL (IT Infrastructure Library) provides a framework of Best Practice guidance for IT Service Management and since its creation, ITIL has grown to become the most widely accepted approach to IT Service Management in the world. This pocket guide has been designed as an introductory overview for anyone who has an interest in or a need to understand more about the objectives, content and coverage of ITIL. Whilst this guide provides an overview, full details can be found in the actual ITIL publications themselves. This guide describes the key principles of IT Service Management and provides a high-level overview of each of the core publications within ITIL:  Service Strategy  Service Design  Service Transition  Service Operation  Continual Service Improvement. An overview of the qualifications scheme is also included.