Sao Paulo - Brazil - Editora Mandala, 1975 (published in portuguese).
Guided by a Master of the White Fraternity, Professor Molinero narrates, in the form of a diary, a voyage of initiation through the Andean plateaus in Peru. Based on a real adventure lived by him and six of his disciple during the summer of 1973 to 1974, the author describes, among other things, his encounter with CAR a pre-Inca priestess who had dwelt in the Sacred City of the Temples and had been entrusted with a secret preserved through mummification, which could only be revealed to humanity hundreds of years later the right moment came.
Cosmic chance leads Professor Molinero and his disciples to what had once been an ancient Inca city where he is offered a skull and hand, Car's last remains. These are brought back to São Paulo, and gradually through meditation, inspiration and parapsychological investigation, Car' secret, carefully preserved in a blue stone, is revealed to Professor Molinero and his disciples.