CaribouPVD Project | Thumoslang401 Handbook
Ri4CTV Resource | Thumoslang Resource
Part of our Thumoslang Resource Center, which is in turn part of our Ri4CTV Resource Center, the following collection of three free-of-charge online books is referred to as the Ri4CTV Transformative Trilogy:
How the above are related to one another is explained by Page 13 of the Thumoslang401 Handbook.