books.google.co.jp - The book of Genesis tells us that God made a covenant with Abraham, promising him a glorious posterity on the condition that he and all his male descendents must be circumcised. For thousands of years thereafter, the distinctive practice of circumcision served to set the Jews apart from their neighbors....http://books.google.co.jp/books/about/Marked_in_Your_Flesh_Circumcision_from_A.html?hl=ja&id=SF6fbjNe0yYC&utm_source=gb-gplus-shareMarked in Your Flesh : Circumcision from Ancient Judea to Modern America
