Catholic Bibles have forty-six Old Testament books; Protestant Bibles have thirty-nine. Catholics sometimes refer to these seven books as the deuterocanon1 (second canon), while Protestants refer to them as the apocrypha, a term often used pejoratively to describe non-canonical books. Protestants also have shorter versions of Daniel and Esther. Why are there these differences? Catholic Bibles contain all the books that traditionally