This book is about how to run services, in any organisation, in any industry. It describes the basics, the core stuff, in realistic pragmatic terms. And it is pragmatically brief - we kept it to 50 paperback pages.
We recently discussed how too many software vendors stretch the facts when claiming ITIL support. Giving them much benefit of the doubt, we thought they might be confused. if so, here is ITIL101 for software vendors to help straighten them out.