Primarily it is a quick, portable reference tool to ITIL for all professionals in the service management community. What is the 'lifecycle' approach? What are the key service management processes and functions?
Secondly the ITIL pocket guide can be used as part of the training material for everyone who wants to certify for the ITIL Foundation exam. The guide contents cover all of the specifications of APMG's ITIL Foundation Certificate syllabus.