Taoist Alchemy, also known as Neidan or Inner Alchemy, is a spiritual practice rooted in Taoist philosophy that focuses on inner transformation and achieving immortality. This ancient practice involves cultivating the Three Treasures of Jing (essence), Qi (energy), and Shen (spirit) through various techniques such as meditation, breathwork, and visualization.

For those interested in learning more about Taoist Alchemy, there are several recommended resources that can provide a deeper understanding and practical guidance on this practice. Here are a few suggestions:

1. "The Secret of the Golden Flower" by Richard Wilhelm and Carl Jung - This classic text is a translation of a Taoist alchemical text that explores the relationship between consciousness and the natural world. It offers insights into Taoist concepts and practices, including inner alchemy.

2. "Taoist Yoga: Alchemy and Immortality" by Charles Luk - This book delves into the history, philosophy, and techniques of Taoist inner alchemy, providing a comprehensive guide for practitioners. It also includes translations of Taoist texts related to alchemy.

3. "The Taoist Inner View of the Universe and The Immortal Realm" by Liu Yiming - This book offers a detailed explanation of the Taoist view of the universe and the role of inner alchemy in achieving immortality. It also includes practical exercises and meditations for readers to try.

4. "The Taoist Body" by Kristofer Schipper - This book examines the physical and energetic aspects of Taoist inner alchemy, including the role of diet, exercise, and sexual practices in cultivating the Three Treasures.

5. "Daoist Nei Gong: The Philosophical Art of Change" by Damo Mitchell - This book explores the underlying principles and techniques of Taoist inner alchemy, including the role of the Five Elements and the Microcosmic Orbit meditation.

In addition to these resources, there are also various online courses, workshops, and retreats available for those interested in learning more about Taoist Alchemy. It is important to remember that this is a profound and complex practice that requires dedication and guidance from a qualified teacher. So, it is recommended to seek out a reputable teacher or school to supplement your studies and deepen your understanding of Taoist Alchemy.