According to available information, Celia Blanco:
If the PDF comes to you legally, treat it as a sacred tool—cover it, keep it clean, and never place it on the floor. That respect is the first lesson that no free download can teach, but that Celia Blanco dedicated her life to preserving.
Celia Blanco was a renowned researcher of folklore and mysticism. Her other famous work, the Manual Esotérico , has sold over 90,000 copies worldwide and remains a staple in esoteric libraries. Her writing style is described as clear and accessible, aiming to uncover the "magic and hidden charm" of the African continent's influence on modern faith.
Perhaps the most complex section. Blanco explains the 21 positions (Oddun) of the coconut or cowrie shell divination. For a beginner, she outlines the meaning of Ejiogbe (the first sign) and Oyekun (the sign of darkness). For advanced priests, she offers the refranes (proverbs) associated with each sign.