Patterns of Enterprise Application Architecture was a revelation for me. Not that I went on and directly applied the knowledge in that book for the most part (l

Patterns of Enterprise Application Architecture was a revelation for me. Not that I went on and directly applied the knowledge in that book for the most part (largely due to the fact I've never been a Java developer), but the thinking behind the book really helped me go from "hack shit together" to a thoughtful and disciplined programmer.