William T. Anderson is the foremost Laura Ingalls Wilder authority. Wilder was a pioneer and author of the famous "Little House" book series. Anderson has written many books, booklets, and articles on both Wilder and on other historic topics. Anderson' most recent project was collecting and editing the notable letters of Laura Ingalls Wilder. This will be the last maor collection of previously unpublished Laura writings. Tune in for the full story.