Toyota Production System: Beyond Large-Scale Production
Agile Estimating and Planning (Robert C. Martin)
Implementing Lean Software Development: From Concept to Cash (Addison-Wesley Signature)
Lean Software Development: An Agile Toolkit
Leading Lean Software Development: Results Are not the Point (Addison-Wesley Signature)
Agile Principles, Patterns, and Practices in C# (Robert C. Martin)