This book is an introduction to Swift. Basic concepts like datatypes, variables and collection types are described in the second chapter. Advanced features like closures, properties and error handling are the topic of the third chapter. The concepts presented in this book are explained in short texts on the one hand and various code examples on the other hand. Therefore, this book helps the reader to quickly understand the described concepts. This book aims at people who are interested in iOS development and do not have any previous experience with Objective-C. All code examples can be found in this.