Book 4 provides a deep dive into Bob Dylan's retreat into the woodshed, a period in which he explored his art and largely avoided the public spotlight. The period between 1967 and 1973 is generally considered Dylan's willful retreat from the public eye, bookended by his motorcycle accident in 1966 and his return to touring in 1974. Faced with the increasing pressures and demands of fame, Dylan, rather than doubling down on his pugilistic...