Practical Object-Oriented Design in Ruby: An Agile Primer (Addison-Wesley Professional Ruby Series)
The Complete Guide to Writing More Maintainable, Manageable, Pleasing, and Powerful Ruby Applications  Ruby’s widely admired ease of use has a downside: Too many Ruby and Rails applications have been created without concern for their long-term maintenance or evolution. The Web is awash in Ruby code that is now virtual More »