What is the single most influential book every programmer should read?

Code Complete (2nd edition) by Steve McConnell

The Pragmatic Programmer

Structure and Interpretation of Computer Programs

The C Programming Language by Kernighan and Ritchie

Introduction to Algorithms by Cormen, Leiserson, Rivest & Stein

Design Patterns by the Gang of Four

Refactoring: Improving the Design of Existing Code

The Mythical Man Month

The Art of Computer Programming by Donald Knuth

Compilers: Principles, Techniques and Tools by Alfred V. Aho, Ravi Sethi and Jeffrey D. Ullman

Gödel, Escher, Bach by Douglas Hofstadter

Clean Code: A Handbook of Agile Software Craftsmanship by Robert C. Martin

Effective C++

More Effective C++

CODE by Charles Petzold

Programming Pearls by Jon Bentley

Working Effectively with Legacy Code by Michael C. Feathers

Peopleware by Demarco and Lister

Coders at Work by Peter Seibel

Surely You're Joking, Mr. Feynman!

Effective Java 2nd edition

Patterns of Enterprise Application Architecture by Martin Fowler

The Little Schemer

The Seasoned Schemer

Why's (Poignant) Guide to Ruby

The Inmates Are Running The Asylum: Why High Tech Products Drive Us Crazy and How to Restore the Sanity

The Art of Unix Programming

Test-Driven Development: By Example by Kent Beck

Practices of an Agile Developer

Don't Make Me Think

Agile Software Development, Principles, Patterns, and Practices by Robert C. Martin

Domain Driven Designs by Eric Evans

The Design of Everyday Things by Donald Norman

Modern C++ Design by Andrei Alexandrescu

Best Software Writing I by Joel Spolsky

The Practice of Programming by Kernighan and Pike

Pragmatic Thinking and Learning: Refactor Your Wetware by Andy Hunt

Software Estimation: Demystifying the Black Art by Steve McConnel

The Passionate Programmer (My Job Went To India) by Chad Fowler

Hackers: Heroes of the Computer Revolution

Algorithms + Data Structures = Programs

Writing Solid Code

JavaScript - The Good Parts

Getting Real by 37 Signals

Foundations of Programming by Karl Seguin

Computer Graphics: Principles and Practice in C (2nd Edition)

Thinking in Java by Bruce Eckel

The Elements of Computing Systems

Refactoring to Patterns by Joshua Kerievsky

Modern Operating Systems by Andrew S. Tanenbaum

The Annotated Turing

Things That Make Us Smart by Donald Norman

The Timeless Way of Building by Christopher Alexander

The Deadline: A Novel About Project Management by Tom DeMarco

The C++ Programming Language (3rd edition) by Stroustrup

Patterns of Enterprise Application Architecture

Computer Systems - A Programmer's Perspective

Agile Principles, Patterns, and Practices in C# by Robert C. Martin

Growing Object-Oriented Software, Guided by Tests

Framework Design Guidelines by Brad Abrams

Object Thinking by Dr. David West

Advanced Programming in the UNIX Environment by W. Richard Stevens

Hackers and Painters: Big Ideas from the Computer Age

The Soul of a New Machine by Tracy Kidder

CLR via C# by Jeffrey Richter

The Timeless Way of Building by Christopher Alexander

Design Patterns in C# by Steve Metsker

Alice in Wonderland by Lewis Carol

Zen and the Art of Motorcycle Maintenance by Robert M. Pirsig

About Face - The Essentials of Interaction Design

Here Comes Everybody: The Power of Organizing Without Organizations by Clay Shirky

The Tao of Programming

Computational Beauty of Nature

Writing Solid Code by Steve Maguire

Philip and Alex's Guide to Web Publishing

Object-Oriented Analysis and Design with Applications by Grady Booch

Effective Java by Joshua Bloch

Computability by N. J. Cutland

Masterminds of Programming

The Tao Te Ching

The Productive Programmer

The Art of Deception by Kevin Mitnick

The Career Programmer: Guerilla Tactics for an Imperfect World by Christopher Duncan

Paradigms of Artificial Intelligence Programming: Case studies in Common Lisp

Masters of Doom

Pragmatic Unit Testing in C# with NUnit by Andy Hunt and Dave Thomas with Matt Hargett

How To Solve It by George Polya

The Alchemist by Paulo Coelho

Smalltalk-80: The Language and its Implementation

Writing Secure Code (2nd Edition) by Michael Howard

Introduction to Functional Programming by Philip Wadler and Richard Bird

No Bugs! by David Thielen

Rework by Jason Freid and DHH

JUnit in Action