Explore the phenomenon behind To Kill a Mockingbird and the mysterious life of its Pulitzer Prize-winning author, including why she never published again. The documentary, “Harper Lee: Hey Boo”, airs on AMERICAN MASTERS on Monday, April 2 at 9 p.m. on KTWU-HD, Digital Channel 11.1. The program reveals the context and history of the novel’s Deep South setting, and the social changes it inspired after publication. The popular film version, starring Gregory Peck (pictured) as Atticus Finch, leaves an enduring image for the novel’s message. Tom Brokaw, Rosanne Cash, Anna Quindlen, Scott Turow, Oprah Winfrey and others reflect on the novel’s power, influence, popularity, and the ways it has shaped their lives.