I'm new to DocBook and want to understand how to get started. Please find information on the official documentation, 'DocBook 5: The Definitive Guide', including its availability and what it covers. Also, identify the definitive guide for DocBook XSL stylesheets and any recommended XML editors or tools mentioned on the site.
Navigate to 'docbook.org'. On the homepage, locate information about 'DocBook 5: The Definitive Guide' to determine its availability (online/print) and content coverage. Identify the definitive guide for DocBook XSL stylesheets. Look for mentions of recommended XML editors or other tools that support DocBook. Synthesize all the gathered information to answer the prompt.
The agent states that 'DocBook 5: The Definitive Guide' is available online and covers DocBook V5.0. The agent identifies 'DocBook XSL: The Complete Guide' by Bob Stayton as the definitive guide for DocBook XSL stylesheets. The agent identifies 'IntelliJ IDEA' and '<oXygen/> xml editor' as tools that support the DocBook project.