"When is he going to write a book about it?" The question has been asked for years in taprooms, diners and shopping malls all over the country. The reason: weekly doses of wry musings about mythical Lake Wobegon, Minn., on the public-radio variety show A Prairie Home Companion are not enough for many of the program's 2 million fans. They have been yearning for something more substantial.
The wait is over. Garrison Keillor, self-effacing fabulist, closet sociologist and "America's Tallest Radio Humorist," has written the history of "the little town that time forgot and that the decades cannot improve." His affectionate...