Russ Olsen.
Design Patterns in Ruby.
Addison-Wesley, 2007.
ISBN: 0321490452

Available on-line through the University's Safari subscription.

Mark Cade & Simon Roberts.
Sun Certified Enterprise Architect for Java EE Study Guide, Second Edition.
Prentice Hall, 2010.
ISBN: 0131482033

Available on-line through the University's Safari subscription.

Jay Fields, Shane Harvie, Martin Fowler, & Kent Beck.
Refactoring: Ruby Edition.
Addison-Wesley, 2009.
ISBN: 0321603508

Available on-line through the University's Safari subscription.

Michael Fitzgerald.
Ruby Pocket Reference.
O'Reilly, 2007.
ISBN: 0596514816

Available on-line through the University's Safari subscription.

David Flanagan & Yukihiro Matsumoto.
The Ruby Programming Language.
O'Reilly, 2008.
ISBN: 0596516177

Available on-line through the University's Safari subscription.

Martin Fowler, et al.
Patterns of Enterprise Application Architecture.
Addison-Wesley, 2002.
ISBN: 0321127420

Available on-line through the University's Safari subscription.

Elisabeth Freeman, Eric Freeman, Bert Bates, & Kathy Sierra.
Head First Design Patterns.
O'Reilly, 2004.
ISBN: 0596007124

Available on-line through the University's Safari subscription.

Erich Gamma, Richard Helm, Ralph Johnson, & John M. Vlissides.
Design Patterns: Elements of Reusable Object-Oriented Software.
Addison-Wesley, 1994.
ISBN: 0201633612

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Richard Monson-Haefel.
97 Things Every Software Architect Should Know.
O'Reilly, 2009.
ISBN: 059652269X

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Simon St. Laurent & Edd Dumbill.
Learning Rails: Live Editions.
O'Reilly, 2010.
ISBN: 0000000000

Available on-line through the University's Safari subscription.