A middle school teacher. An award-winning author. A world-famous pony. When seventh grade teacher Susan Friedland rereads her favorite childhood book, Misty of Chincoteague, curiosity sets in. How did Misty, a pinto pony, turn into a celebrity with a best-selling book series and movie? Who was Marguerite Henry, the author of Misty? Will Susan be able to find Marguerite's fans and friends to uncover the hidden backstory...