Non-(pure)technical reading materials for code monkeys - a not-so-exhaustive list of books.Feel free to add more to it.

The Pragmatic Programmer: From Journeyman to Master

The Mythical Man-Month: Essays on Software Engineering

Peopleware: Productive Projects and Teams

The Passionate Programmer: Creating a Remarkable Career in Software Development

Joel on Software: And on Diverse and Occasionally Related Matters That Will Prove of Interest to Software Developers, Designers, and Managers, and to Those Who, Whether by Good Fortune or Ill Luck, Work with Them in Some Capacity

More Joel on Software: Further Thoughts on Diverse and Occasionally Related Matters That Will Prove of Interest to Software Developers, Designers, and ... or Ill Luck, Work with Them in Some Capacity

Smart and Gets Things Done: Joel Spolsky's Concise Guide to Finding the Best Technical Talent

Coders at Work

Behind Closed Doors: Secrets of Great Management