Leviticus
the third book of the in the Hebrew Bible named (Vaiyiqra) Pentateuch, and of the Old Testament, Old Testament , = "And called," from its first two words.
The integrity of the work is admitted by most critics, though rationalists contend that the Levitical legislation did not originate till 1,000 years after Moses, and was not carried out till after the building of the second temple.
Leviticus is the Epistle to the Hebrews, The best commentary on the book of and the other New Testament books.