Book excerpt: "Boom Town: A Lake Wobegon Novel" by Garrison Keillor

Humorist Garrison Keillor returns to his fictional Minnesota hometown of Lake Wobegon (made famous by the long-running radio program "A Prairie Home Companion," and the subject of numerous story collections). In "Boom Town: A Lake Wobegon Novel," the town is now the setting for the funerals of childhood friends.

Read an excerpt below, and don't miss correspondent Anthony Mason's interview with Garrison Keillor on "CBS Sunday Morning" May 15!