The single Hebrew book "Ezra–Nehemiah", with the title "Ezra", was translated into Greek around the middle of the 2nd century BCE.[8] Slightly later a second, and very different, Greek translation was made, commonly referred to as 1 Esdras. The Septuagint includes both 1 Esdras and the older translation of Ezra–Nehemiah, and names the two books as Esdras A and Esdras B respectively. The early Christian scholar Origen remarked that the Hebrew 'book of Ezra' might then be considered a 'double' book.