Kierkegaard was driven to write The Book on Adler after news spread that a Danish pastor, Adolph P. Adler, claimed to have experienced a revelation in which Christ dictated a new doctrine. Like many others, Kierkegaard was intrigued by Adler--but for different reasons than most. Over the eight years during which Kierkegaard worked on the manuscript, the phenomenon of Adler became a concern seconda...