Some resources to learn more about RL are: 1. the course "Reinforcement Learning" by David Silver: This is a free online course that provides a comprehensive introduction to RL. 2. the textbook by Sutton and Barto: This is a classic textbook on reinforcement learning. 3. the OpenAI Gym: This is a collection of RL environments that can be used to test RL algorithms. 4. the RL Reddit forum: This is a forum where RL researchers and practitioners can discuss RL issues and exchange ideas.