The Child in Neidan

See also a picture of the Red Child (chizi)

The Child, a common representation of the Elixir in Taoist Internal alchemy.

Source: Jinye huandan yinzheng tu (Pictures for the Verification of the Return of the Golden Liquor to the Cinnabar Field), by Longmei zi, early 13th century.

Taoist Internal Alchemy: An Anthology of Neidan Texts

The Seal of the Unity of the Three: A Study and Translation of the Cantong qi, the Source of the Taoist Way of the Golden Elixir

Under an allusive poetical language and thick layers of images and symbols, the Cantong qi, or Seal of the Unity of the Three, hides the teachings that gave birth to Taoist Internal Alchemy, or Neidan. This book contains a complete translation, with explanations of its poems and lines.