Marguerite Henry, one of the most beloved children's writers, author of "Misty of Chincoteague" and "King of the Wind," is celebrated in a new biography - DEAR READERS AND RIDERS by Wall Street Journal columnist Lettie Teague. Meet Teague, talk about your favorite Marguerite Henry story, and have a copy of the book personally signed. The event is hosted by The Hampton's oldest tack shop Brennan's Bit & Bridle Saddlery on Saddle Row at the horse show.