{"product_id":"9780691656335","title":"The Origin of the Idea of Crusade : Foreword and additional notes by Marshall W. Baldwin (Princeton Legacy Library)","description":"\u003cp\u003eThough conditioned by the specific circumstances of eleventh-century Europe, the launching of the crusdaes presupposed a long historical evolution of the idea of Christian knighthood and holy war. Carl Erdmann developed this argument first in 1935 in a book that is still recognized as basic to an understanding of how the crusades came about. This f\u003c\/p\u003e","brand":"Princeton University Press","offers":[{"title":"Default Title","offer_id":48694454878443,"sku":"00000_00000_00000_00000","price":443.15,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780691656335-1.jpg?v=1781633012","url":"https:\/\/kinokuniya.com.sg\/zh\/products\/9780691656335","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}