Here is a list of some of the books that have been created with R Markdown and Bookdown. This list should be added into the guide to provide clear examples of what has already been created so far.

1.  Bookdown Tutorial. No mention of a licence.
2. QCBS R Workshop Series: A Template Guide for Written Material. Licenced as CC-BY-NC-SA.
3. R Markdown for scientists. Licenced as CC-BY-NC.
4. R for Data Science. Licenced as CC-BY.
5. Open Tools for writing open interactive textbooks. Licenced as CC-BY-SA.
6. Hands on Data Visualization. Licenced as CC-BY-NC-ND.
7. An Introduction to R. Licenced as CC-BY-NC.
8. Epidemiologist R Handbook. Licenced as CC-BY-NC-SA.
9. Answering Questions with Data. Licenced as CC-BY-SA.
10. Introduction to Statistical Modeling. Course text notes with no licence indicated.
11. Advanced Statistics using R. Copyrighted text.
12. An Introduction to Statistical Programming Methods with R. Licenced as CC-BY-NC-SA.
13. R Markdown: The Definitive Guide. Licenced as CC-BY-NC-SA.
14. Knitr with R Markdown blog page.
15. R Markdown Basics seminar. No licence mentioned.
16. Getting Started with R, R Studio, and R Markdown personal website.
17. R Markdown Cookbook. Licenced as CC-BY-NC-SA.
18. R for Reproducible Analysis and Research  Transparency workshop. Copyrighted.
19. Documents with R Markdown. Licenced as CC-BY-NC-SA.
20. Geocomputation with R, first edition. Licenced as CC-BY-NC-ND
21. Bookdown: Authoring Books and Technical  Documents with R Markdown. Licenced as CC-BY-NC-SA.
22. Welcome to Text Mining with R. Licenced as CC-BY-NC-SA.
23. Introduction to Data Science. Licenced as CC-BY-NC-SA.
24. Beyond Multiple Linear Regression: Applied Generalized Linear Models and Multilevel Models in R. Licenced as CC-BY-NC-SA.
25. Forecasting: Principles and Practice, Second Edition. Free and online as well as accessible. No licence mentioned.
26. Data Science Live Book. Licenced as CC-BY-NC-SA.