The Book of Prophet Kacou Philippe discusses how demons are called Jesus Christ in various churches and religions. The author explains that these demons were once known by different names, such as Sabek and Osiris, and were worshipped in different cultures. The author also warns that these demons are still present in modern churches, operating under the guise of the Holy Spirit or Jesus Christ. The book aims to educate readers about the true nature of these demons and their influence in religious institutions.