One day in 1599, in the Spanish village of Saria, seven-year-old Maria Angela Astorch fell ill and died after gorging herself on unripened almonds. Maria's sister Isabel, a nun, came to view the body with her mother superior, an ecstatic mystic and visionary named Maria Angela Serafina. Overcome by the sight of the dead girl's innocent face, Serafina began to pray fervently for the return of the child's soul to her body. Entering a trance, she had...