In the world of international IT Service Management the previous editions of this book have acquired an excellent reputation as guidance on the topic of ITIL. Over the years this authoritative guide has earned its place on the bookshelves and in the briefcases of industry experts as they implement best practices within their organizations. This revised edition is based on ITIL 2011 Edition. It is written in the same concise way as the previous editions and covering all the facts. Readers will find that this title succinctly covers the key aspects of ITIL 2011 Edition. It is endorsed by AXELOS, the official ITIL Accreditor. The ITIL Lifecycle is fully covered. In addition there is much attention to the 26 IT Service Management processes and 4 Functions. These are described in detail. This means that it is easy for all readers to access and grasp the concepts of processes and functions that are so pivotal to many service management day-to-day operations.