书中介绍了一些Ruby语言特性——既有普通的也有高级的，都是Rails中使用到的。-　 * Get up to speed on Ruby basics, including objects, irb, and built-ins

　 * Explore the Model, Controller, and View layers of the Rails framework

　 * Understand the “convention over configuration” philosophy of Ruby on Rails

　 * Walk through the development of a complete Rails application

　 * Set up a database, build a model, use scr ipts, and test and debug

　 * Master advanced Rails, including Prototype, scr iptaculous, and topics such as Web Services