This Open Access book is a guide to good, responsible research at each step of the process of research discovery, so that a researcher at the beginning of a scientific career has a clear pathway to doing good research and producing reliable results. The textbook will give context to the practices described in the European Code of Conduct for Research Integrity, guided by the fundamental principles or research integrity ¿ reliability, honesty, respect, and accountability. The chapters in the book follow the good practices outlined in the Code, give practical advice and address basic principles. In this way, the book is applicable to different research fields.