Ivani Greppi is an RN with a heart for medical missionary work. She lives in Florida with her husband Maciel. Her four grandchildren are her love and passion. Ivani personal transformation story in English and Portuguese is found on the comparative religion website: www. thetruelight. net. She is part of the True Light Task Force. This booklet is also available in Portuguese: De Guias Espirituais ao Espírito Santo: Ex-Médium Umbandista Transformada pelo Senhor.