Join the Cutie Mark Crusaders in the third book of the Ponyville Mysteries series as they solve the mystery of the Rusty Horseshoe! Scootaloo, Apple Bloom, and Sweetie Belle have been spending a lot of time with their new friend, Lilymoon, at the spooky house on Horseshoe Hill. One night, Scootaloo actually sees the ghostly Olden Pony -- a character from one of Rainbow Dash's scary stories. Scootaloo worries everypony will think she's just a scaredy-pony, but she's too frightened to sleep. Scootaloo needs the help of her friends to figure out the mystery of the Olden Pony and her Rusty Horseshoe...and soon. Ideal for younger readers, these mysterious and sweetly spooky stories are sure to appeal to all My Little Pony fans - both girl and boy.