The book "Modern Data Engineering with Apache Spark" offers a comprehensive introduction to the use of Apache Spark within a modern data engineering ecosystem. It is aimed at professionals who want to learn how to develop functional applications while applying industry best practices. The reader is guided through a structured process that begins with the fundamentals of data ingestion, processing, and transformation, ultimately leading to a complete local data platform that integrates various technologies such as Apache Zeppelin, Apache Kafka, Redis, MySQL, Minio, and Apache Airflow. The hands-on approach allows readers to create and test interactive Spark applications while also learning how to containerize these applications and deploy them in different environments.