Nomenclature
The book normally called 1 Esdras is numbered differently among various versions of the Bible. In most editions of the Septuagint, the book is titled in Greek: Έσδράς Αˊ and is placed before the single book of Ezra-Nehemiah, which is titled in Greek: Έσδράς Βˊ.
Read more about this topic: 1 Esdras