Chapter 1, Up and Running with Drupal 8, begins by covering the requirements for running Drupal 8 and going through the installation process and extending Drupal.
Chapter 2, The Content Authoring Experience, dives into the content management experience in Drupal, including working with the newly bundled CKEditor.
Chapter 3, Displaying Content through Views, explores how to use Views to create different ways to list and display your content in Drupal.
Chapter 4, Extending Drupal, introduces how to write a module for Drupal, the building blocks of functionality in Drupal.
Chapter 5, Frontend for the Win, covers how to create a theme, work with the new templating system Twig, and harness Drupal’s responsive design features.
Chapter 6, Creating Forms with the Form API, explains how to work with Drupal’s Form API to create custom forms for collecting data.
Chapter 7, Plug and Play with Plugins, introduces plugins, one of the newest components in Drupal. This chapter walks through developing the plugin system to work with fields.
Chapter 8, Multilingual and Internationalization, introduces the features provided by Drupal 8 to create an internationalized website, supporting multiple languages for content and administration.
Chapter 9, Configuration Management - Deploying in Drupal 8, explains the configuration management system, new to Drupal 8, and how to import and export site configurations.
Chapter 10, The Entity API, dives into the Entity API in Drupal, allowing you to create custom configuration and content entities.
Chapter 11, Off the Drupalicon Island, explains how Drupal allows embracing the mantra of "proudly built elsewhere" and including third-party libraries with your Drupal site.
Chapter 12, Web Services, shows how to turn your Drupal 8 site into a web services API provider through a RESTful interface.
Chapter 13, The Drupal CLI, explores working with Drupal 8 through two command-line tools created by the Drupal community: Drush and Drupal Console.