GMP Lead Auditor training, and as a part of the preparation to become an Internal auditor, the idea was born. Due to ongoing updates in EudraLex, perhaps it has not been considered previously to generate such a present book. The author noticed a lack of resources in the EU GMP checklist & GAP analysis material for the pharmaceutical industry in member states. The first seed of inspiration was growing slowly while the draft book started almost a year before publication, and the context has become tailored afterward in many directions.