Dr Steve J Hothersall, [Formerly, now retired] Head of Social Work, Mental Health and Learning Disability Nursing Education and Practice, Edge Hill University, Ormskirk, UK. Professor Liz Halcomb, Professor of Primary Health Care Nursing, University of Wollongong, Australia. Dr Hazel Partington University of Central Lancashire, UK , 4th edition is the book for anyone who has ever wondered what evidence-based practice is, or how to relate it to practice or use it in academic work. Thoroughly revised with two new co-authors this brand new edition uses simple and jargon-free language to help those new to the topic. It provides an accessible step-by-step guide to what we mean by evidence in practice and how to apply this concept to learning and practice. This book provides an inter-professional approach and is key reading for both students and professionals who need to search for, appraise and apply evidence across nursing, allied health care or social care. is Principal Lecturer at Oxford Brookes University, UK with a background in nursing. Helen is author of and co-author of and is Senior Lecturer in Adult Nursing at Oxford Brookes University, UK with a background in gastrointestinal and gerontological nursing. She completed her MA in Education at the Open University and her EdD at Oxford Brookes. She now teaches pre-registration, post graduate and Doctoral programme nursing. is Divisional Director of Nursing at Oxford University Hospitals NHS Trust, UK. She is also a student on the Professional Doctorate In Nursing programme at Oxford Brookes University, UK and her research interest is the implementation of Evidence-Based Practice.