In order to achieve this Pre Operative Assessment & Perioperative Management has set out to deliver the core clinical aspects of practice, linked to the education and service development needs of a perioperative service. The challenge for such a book is to integrate this knowledge effectively, using the best evidence base, for use in every day practice. The brief to the contributors was to help define pre operative assessment utilising their expertise to draw out some of the leading practices and thoughts of the day. They have achieved this, ensuring that the reader has access to some of the leading experts in international perioperative practice. They have done this in an open and accessible style that will guide the reader though some complex and demanding subjects to enable them to deliver better front line care to surgical patients.