•The Lean Six Sigma Pocket Toolbook (George, Rowlands, Price, Maxey, 2005). Vital tools for implementing Lean Six Sigma - what they are, how they work, and which to use.
•The Quality Toolbox Second Edition (Nancy R Tague, 2005). A comprehensive reference of tools and techniques used for quality improvement.
•Hoshin Kanri (David C. Hutchins, 2008). The strategic approach to Continuous Improvement.
•The Six Sigma Handbook Third Edition (Thomas Pyzdek and Paul Keller, 2009). A complete guide for Green Belts, Black Belts, and Manager of all levels.
•Applying Six Sigma Using Minitab Third Edition (Bruce Gilbert and Peterka, 2017).
•The Certified Six Sigma Black Belt Third Edition (T.M. Kubiak and Donald W. Benbow, 2017).
•Scrum Mastery + Agile Leadership (Jeff Cohn, 2019).