This concise book is a quick start-up primer on the Gradle build and release tool. You'll learn about Gradle and how to set it up to use. You'll learn about the Gradle life cycle and how to effectively leverage and use it. Also, you'll learn the basics of using site plugins and generating Javadocs, test coverage/FindBugs reports, version/release notes and more. Furthermore, you'll take advantage of Gradle's archetypes to bootstrap new projects easily.
After reading and using Introducing Gradle, you'll have an understanding of Gradle's dependency management and how to organize basic and multi-module Gradle projects. It includes the new features and enhancements found in the latest version of Gradle, an open source enhanced Java build and release tool for Java that is especially popular among Spring application developers.
It is short, it is clear and cover all the basics you need to know to use Gradle effectively on a basic level. Book is perfectly guided for entry-level developers.
It's simple but not clear enough. If I haven't attend presentation this book would make Gradle clear enough for me. at the same time I like that is small and simple.