Thoroughly researched and faithfully translated, the Luther's Works series consists of Martin Luther's Bible commentaries, sermons, prefaces, postils, disputations, letters, theology, and polemics, translated and published in English for the first time. In Luther's Works, Volume 4 (Lectures on Genesis Chapters 21-25), Luther concludes his biography of Abraham and includes Luther's study of the Abraham and Isaac story in which he compares Isaac's...