A community-maintained list of must-read books what will go to our Shelfari.
Clean Code: A Handbook of Agile Software Craftsmanship by Robert Martin (coding, clean code, craftsmanship)
The Mythical Man-Month: Essays on Software Engineering, Anniversary Edition (2nd Edition) by Frederick P. Brooks Jr (architecture, estimation, tar pits)
High Performance MySQL by Baron Schwartz, Peter Zaitsev, Vadim Tkachenko (understanding of MySQL architecture and performance tuning)
High Performance Browser Networking by Ilya Grigorik (understanding why web performance matters)