UPDATE: The contest has ended and our winners are being notified. Thank you to everyone who entered.
Practical Object-Oriented Design in Ruby: An Agile Primer
by Sandi Metz
Published Sep 5, 2012 by Addison-Wesley Professional. Part of the Addison-Wesley Professional Ruby Series series.
Learn how to write more maintainable, manageable, pleasing, and powerful Ruby applications. Enter now!
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