Vayera by Rabbi David Hartley Mark

All have heard, I am sure, of the Sacrifice of Isaac, how the Lord God demanded that Abraham take and sacrifice his son, his only son, whom he loved, that is, Isaac. Abraham was commanded to take his son—the younger, not the elder; Ishmael was, by this time, bending his bow in the wilderness of Paran, and seeking a bride from Egypt—and sacrifice him upon Mount Moriah, which may or may not have been the Temple Mount, in centuries to come.