This book is a comprehensive guide to learning Selenium WebDriver, the most popular open-source tool for automating web applications. It provides step-by-step instructions on setting up a Selenium environment, locating and interacting with web elements, handling advanced web elements such as iframes and dropdowns, and implementing various Selenium frameworks. The book also covers advanced topics such as Selenium Grid, cross-browser testing, and continuous integration. The appendix section includes useful resources such as a Selenium WebDriver API reference, Java language reference, and TestNG reference. This book is an essential resource for beginners and experienced automation testers alike who want to master Selenium WebDriver and create robust and reliable automated tests.