This document introduces process mining and provides an overview of the book "Process Mining: Discovery, Conformance and Enhancement of Business Processes" by Wil van der Aalst. The book is divided into 5 parts covering preliminaries on process modeling and data mining, discovering process models from event logs, conformance checking and additional analysis, applying process mining in practice, and reflections on process mining. The document acknowledges contributors to process mining research and tools, and provides pointers to related works, software, and the IEEE task force on process mining.