it was about lonliness. it had all the suspense. the novel had so many elements with which to draw people in. >> so the tremendous amount of -- about harper lee. i know she never wrote another book. it was a pulitzer prize-winning book, and the film won the academy award. and yet she never wrote another book. what did you learn about harper lee and her reasons? >> well, i was fortunate enough to get great access to two very close friends of her. a new york city couple who gave their friend, harper lee, money. they remain very, very close dear friends to this day. the other person i was also very privileged and fortunate to talk to was alice finch, harper lee's older sister. alice is one of the first women in alabama who was ever admitted to the bar. she -- at 99 she's the oldest practicing attorney in the state. she continues to practice every day, and she hopes to celebrate her 100th birthday in september at her law desk. she was quite a character and told me quite a bit about how the lee girls were raised. and her answer to that q

it was about lonliness.