The number of Books in the Bible depends on which Bible is being referenced.
By far, the largest canon of all is found in the Ethiopic Chur.
In addition to the 73 Books of the Catholic Bible, the Orthodox Church adds three more Books to their canon.
Roman Catholics hold 46 Books of the Old Testament as canon, along with expanded versions of Esther and Daniel.
Protestants recognize 39 Books of the Jewish canon in the Old Testament.
Protestant and Catholic churches recognize 27 New Testament books.
The number of Books in the Bible depends on which Bible is being referenced