This book aims to teach best practices of Plone development, focusing on Plone 3.0. It covers setting up a suitable development environment, customizing Plone's look and feel, creating new content types and forms, connecting to external databases, and managing users and groups intelligently. It also shows how to configure a production-ready server, with LDAP authentication and caching. This book is aimed at developers who want to build content-centric web applications leveraging Plone's proven user interface and flexible infrastructure. Some familiarity with the Python programming language and basic web technologies such as HTML and CSS is assumed. Readers would also benefit from some prior experience with Zope or Plone, for example as site administr...