diff --git a/README.md b/README.md
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@@ -378,6 +378,7 @@ A small group of programmers wants to change how we code—before catastrophe st
 * [OpenShift](https://www.openshift.com/promotions/devops-with-openshift.html) - DevOps with OpenShift
 * [MorganGeek](https://researchportal.unamur.be/fr/studentTheses/design-of-a-support-system-for-modelling-gene-regulatory-networks) - (2015) Design of a support system for modelling gene regulatory networks. **Bonus** : [Download in PDF](https://researchportal.unamur.be/files/36918347/2015_WattiezM_memoire.pdf)
 * [Internet Archive](https://archive.org/details.php?identifier=texts) - eBooks and Texts : The Internet Archive offers over 15,000,000 freely downloadable books and texts. There is also a collection of 550,000 modern eBooks that may be borrowed by anyone with a free archive.org account.
+* [Terraform Best Practices](https://www.terraform-best-practices.com/) - [Book] free book with most of best-practices and recommendations for Terraform users. **Bonus** [Source code examples](https://github.com/antonbabenko/terraform-best-practices/tree/master/examples)
 
 > Summaries, notes and reviews
 * [WikiSummaries](http://www.wikisummaries.org/wiki/Category:Summaries) - A listing of free book summaries in English by category and alphabetically.
@@ -2095,7 +2096,7 @@ See also [Infrastructure](#infrastructure)
 * [Kevin London](https://www.kevinlondon.com/2016/09/20/devops-from-scratch-pt-2.html) - (2016) DevOps from Scratch, Part 2: Amazon & Terraform
 * [Yevgeniy Brikman](https://blog.gruntwork.io/why-we-use-terraform-and-not-chef-puppet-ansible-saltstack-or-cloudformation-7989dad2865c) - (2016) Why we use Terraform and not Chef, Puppet, Ansible, SaltStack, or CloudFormation
 * [Ádám Sándor](https://container-solutions.com/propagating-configuration-from-terraform-to-kubernetes-apps/) - (2018) Propagating configuration from Terraform to Kubernetes Apps
-* [Terraform Best Practices](https://www.terraform-best-practices.com/) - free book with most of best-practices and recommendations for Terraform users
+* [Terraform Best Practices](https://www.terraform-best-practices.com/) - [Book] free book with most of best-practices and recommendations for Terraform users. **Bonus** [Source code examples](https://github.com/antonbabenko/terraform-best-practices/tree/master/examples)
 * [Anton Babenko](https://fosdem.org/2019/schedule/event/terraform_best_practices/) - [Videos] (2019) Codifying infrastructure with Terraform for the future | be aware of principles related to management of Terraform resources, Terraform modules best-practices and some CI/CD principles applicable to infrastructure management and deployments.
 * [HashiCorp Learn](https://learn.hashicorp.com/terraform/?track=getting-started#getting-started) - Getting Started - AWS | In this introduction to Terraform, you will learn how to use Terraform to build infrastructure in AWS.
 * [Regis Wilson](https://medium.com/driven-by-code/the-terrors-and-joys-of-terraform-88bbd1aa4359) - (2019) The Terrors and Joys of Terraform
@@ -4645,7 +4646,7 @@ See also [Calm programming / Slow programming](#calm-programming--slow-programmi
 * [Slow Programming](https://slowprogramming.com/) - Programming has become a pursuit of profit over personal knowledge. The craft of programming has developed into a rapid rush to the finish line via bootcamps and brief tutorials.
 * [stanislaw/SoftwareDesignHeuristics](https://github.com/stanislaw/SoftwareDesignHeuristics) - heuristics found to be useful in software engineering practice. We call “heuristics” everything that helps us to write better code given we keep them in mind.
 * [Arnaud Lemaire](https://www.youtube.com/watch?v=bQfumbBN6YQ) - [Videos] :fr: [FR] (2019) Entre industrialisation et artisanat, le métier de développeur. | a very good and accurate talk of software craftsmanship
-* [Terraform Best Practices](https://www.terraform-best-practices.com/) - free book with most of best-practices and recommendations for Terraform users
+* [Terraform Best Practices](https://www.terraform-best-practices.com/) - [Book] free book with most of best-practices and recommendations for Terraform users. **Bonus** [Source code examples](https://github.com/antonbabenko/terraform-best-practices/tree/master/examples)
 * [Anton Babenko](https://fosdem.org/2019/schedule/event/terraform_best_practices/) - [Videos] (2019) Codifying infrastructure with Terraform for the future | be aware of principles related to management of Terraform resources, Terraform modules best-practices and some CI/CD principles applicable to infrastructure management and deployments.
 * [Matej Jellus](https://juffalow.com/other/write-good-git-commit-message) - (2018) Write good git commit message
 * [Martin Fowler](https://martinfowler.com/articles/is-quality-worth-cost.html) - (2019) Is High Quality Software Worth the Cost?