Here's background...

Here’s some background, in case you’re interested -                                                                      

The term 'testament' is a translation from the Greek word: diatheke, meaning: testament, covenant, disposition, bequest, or will. i.e. a deed that comes into effect after the death of the testator.                                                                                         

(Refer Exodus 24:5-8         Hebrews 9:15-18                The 'Old Testament' required the continual death of animals in cleansing sacrifice, whereas the 'New Testament' required the death of Jesus Christ, once for all to atone for sins.)

The Jews call the Old Testament: the Tanakh, an acronym for:                                                                   

                        Torah                         the Law         (The Pentateuch)     

                        Nevi'im                      the Prophets                   

                        K'tuvim                      the Writings e.g. Psalms                                           

(This distinction was recognised by Jesus Christ in Luke 24:44)

The New Testament is generally not recognised by the Jews because Christian Jews wrote it and it's Hebrew name is B'rit Hadashah, meaning New Covenant.

During 285-270 BC, 72 Jewish scholars in Alexandria, Egypt, undertook to translate the Hebrew Scriptures (Tanakh) into Greek, producing the Septuagint (abbreviated as LXX for 70). The Septuagint gave the Greek title: Genesis to the first book that the Jews had known by its first three words:
"In the beginning..." or in Hebrew: בּראשיה ….B'resheet.
Genesis is the first of 5 books known collectively as 'The Pentateuch', from the Greek word for five-roll: pentateuchos, and was written or compiled by Moses, as recognised by Jesus Christ in Luke 24:27&44 and John 7:22.

Okay, enough boring details - let’s get on with it…….

http://hotspuds.blogspot.com.au/2013/03/remember-beginning.html