1 Table of Contents: “...; Four levels of documentation; Documentation approaches; Trial and error; External expertise; Third...”

2 Table of Contents: “...Cover -- Title -- Copyright -- About the Author -- Acknowledgments -- Contents -- Introduction...”

3 Table of Contents: “...Cover; Title; Copyright; About the Author; Contents; Introduction; The growing digital ecosystem...”

4 Table of Contents: “... Internal audit -- 15.6 External certification/validation -- Chapter 16: Maturity levels...”