Full Book: Six Sigma: A Complete Step-by-Step
Lean Six Sigma Pocket Toolbook*
Lean Thinking
The Toyota Way
Quality Toolbox
The Six Sigma Way
The Goal
The Phoenix Project
Various Charts & Templates
District Essentials
The Necessary Art of Persuasion
Six Sigma Success Stories
Case Studies in Lean Six Sigma
Make Awesome Process Maps with Visio: Read this or watch this video.
Great Visio alternative: Pencil Project