Join Rarity and all her friends in an exciting My Little Pony adventure. Can Rarity and her pony friends solve the curious case of Charity? When Rarity welcomes her new apprentice, Charity, to Ponyville, she is sure that they will become best friends. But when Charity dyes her mane and tail to look more like Rarity, and begins to copy her every move, Rarity realises this pony is a problem! Can Rarity solve the mystery of Charity's true identity? With illustrations throughout and bonus puzzle pages at the end, this My Little Pony chapter book is perfect for fans that are developing readers. Read the other books in the series: Rainbow Dash and the Double Dare - 9781405294997 Twilight Sparkle and the Spell - 9781405296380 Applejack and the Secret Diary - 9781405296380 Pinkie Pie and the Party - 9781405296366 Fluttershy and the Friends Fair - 9781405296441