Self-inquiry, also known as "Who am I?" is a powerful method of liberation taught by the Indian sage Ramana Maharshi. It is a simple yet profound practice that allows individuals to directly experience their true nature and attain liberation from the cycle of suffering and rebirth.

To learn more about self-inquiry and its practice, there are a variety of resources available that can provide valuable insights and guidance. Some recommended resources for learning more about self-inquiry are:

1. Books: There are many books written by Ramana Maharshi himself, as well as by other spiritual teachers, that delve into the practice of self-inquiry. Some popular titles include "Be As You Are" by David Godman, "Who Am I?" by Ramana Maharshi, and "The Power of Self-Inquiry" by Mooji.

2. Online Courses: There are several online courses available that offer in-depth teachings and guidance on self-inquiry. These courses often include video lectures, guided meditations, and other resources to support the practice. Some popular options include "The Direct Path: A Step-by-Step Guide to Self-Inquiry" by Adyashanti and "Self-Inquiry: The Path to Inner Freedom" by Eckhart Tolle.

3. Retreats and Workshops: Many spiritual centers and retreat centers offer programs and workshops focused on self-inquiry. These can provide a powerful and immersive experience for those looking to deepen their understanding and practice of self-inquiry. Some well-known centers that offer self-inquiry retreats include the Ramana Maharshi Ashram in India and the Omega Institute in New York.

4. Online Communities: There are online communities and forums dedicated to self-inquiry where individuals can connect with others who are also practicing and seeking guidance. These communities can provide a sense of support and connection as one embarks on the journey of self-inquiry.

In conclusion, self-inquiry is a powerful method of liberation that has been taught and practiced for centuries. With the help of various resources such as books, online courses, retreats, and online communities, individuals can deepen their understanding and practice of self-inquiry and ultimately experience the freedom and peace that comes with it.