In healthcare, since knowledge is our main weapon, this book will serve valiantly in our fight against delirium. -- From the foreword, Prof. Sharon K. Inouye, MD, MPH, Harvard Essentials of Delirium should become a go-to text for frontline healthcare workers, policy-makers and others who seek a readable, clear and practice-orientated account of delirium. -- From the foreword, Prof. Alasdair MacLullich, Edinburgh, One of the golden tests of any medical book is 'Will it change your practice?' This book certainly can do this. -- From the afterword, Dr Amit Arora, Stoke