Extreme Programming Explained: Embrace Change

Pragmatic Unit Testing in Java 8 with JUnit

Planning Extreme Programming

Test Driven Development: By Example

The Pragmatic Programmer: From Journeyman to Master

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses

Out of the Crisis

Clean Code: A Handbook of Agile Software Craftsmanship

Agile Retrospectives: Making Good Teams Great

Growing Object-Oriented Software, Guided by Tests

Refactoring: Improving the Design of Existing Code