This pocket guide presents European privacy regulation, with its main focus on the GDPR. It introduces European courts, includes the recitals, provides factsheets and has a convenient index. Captain Privacy explains the seven biggest misunderstandings of the GDPR, summarises each article in a tweet, highlights important sections and refers to fines. As such, Captain Privacy makes the GDPR easily accessible without overlooking its details. This pocket guide is an updated, international version of our 2016 edition. That edition was widely used by privacy professionals, who have praised it for its convenience as reference material for day-to-day work. This updated version is indispensable for privacy professionals and those who are interested in the field.