A book banned from the Bible written more than 2,100 years ago could change what Christians believe to be the 'truth' about the Great Flood. Known as the Book of Jubilees, this ancient text features a more supernatural, detailed and structured explanation of the events of the story of Noah. The Book of Jubilees describes the violence and corruption the giants and their descendants brought, such as cannibalization and sinning, leading to widespread evil on Earth.