Marc Estrin grew up in a small apartment so full of books you had to walk sideways in the hall. Of these, he read not one--till age sixteen, when he gave up his literary virginity to Franz Kafka: The Trial was his introduction to the larger life. This explains much. A mediocre student in high school, he was teased by his father into reading The Magic Mountain during the summer before college. Epiphany! The book was for him a topo-map of western thought and culture. With Mann as his guide, he sailed through college and grad schools, making a Hegelian leap out of graduate science into the richer...