Books by Mary and Tom Poppendieck
Mary and Tom have pioneered the application of Lean Thinking to software development and documented their principles in books: Lean Software Development: An Agile Toolkit, published in 2003, its sequel, Implementing Lean Software Development: From Concept to Cash, published in 2006, Leading Lean Software Development: Results are Not the Point in 2009, and The Lean Mindset: Ask the Right Questions in 2013.
The are also authors of Lean Essays blog.