Refactoring: Improving the Design of Existing Code
Kent Beck & John Brant & William Opdyke & Don Roberts & Fowler Martin
Addison-Wesley Object Technology Series (1)
The Art of Agile Development
James Shore & Shane Warden & Diana Larsen & Gitte Klitgaard
Relentless Pursuit
Bradley J. Edwards
Test-Driven Development: By Example
Kent Beck
Agile Project Management with Kanban
Eric Brechner
Developer Best Practices (1)