It's hard to pick the top one, especially since I've learned a lot of things from the Web. Here are five: * Effective Java, by Joshua Bloch * Clean Code, by

It's hard to pick the top one, especially since I've learned a lot of things from the Web. Here are five: * Effective Java, by Joshua Bloch * Clean Code, by Robert Martin * The Pragmatic Programmer, by Andrew Hunt and David Thomas * The Practice of Programming, by Brian Kernighan and Rob Pike * Refactoring, by Martin Fowler