The Cloud Bookcase
Absorption of Solar and Lunar Essences
by Anonymous (4th century)
Alchemy of the Purple Coil
by Anonymous (12th century)
A treatise on sexuality. The female sexual organ is referred to as the ‘furnace of the reclining moon’. A later commentator notes that ‘it has never been known that one can obtain immortality by mounting women.’
Arcane Essay on the Supreme Cultivation of True Nature
by Anonymous (14th century)
Recommends the avoidance of sleep.
Arcane Notes on the Cultivation of True Nature
by Fu Tu-jen (11th century)
Dietary instructions. In the seventh and eighth months, worms should be eaten.
Biographies of Presumed Immortals
by Anonymous (10th century)