Homo Necans by Walter Burkert.
There is much you can argue against in this book
Blood sacrifice, the ritual slaughter of animals, has been basic to religion through history, so that it survives in spiritualized form even before Christianity. How did this violent phenomenon achieve the status of the sacred? This question is examined in Walter Burkert's famous study - first published 1972.
It is 'of its time'
It is a work by someone who was once one of the Cambridge Ritualists.
But, human behavior has ancient roots
Home Necans separates violent behavior from intellectual meanings, to ask what lies below..