From publisher blurb: One Wish Upon A Coin - a themed supplement based on Fairy Creatures and their world. In this book, you'll find information about magical Fairy locations, a new monster template with some examples of how it works, 2 Fairy GMC's, 4 new magical items, and 1 new spell set designed for Fairy Creatures (though it might be possible for mortals to gain the knowledge, as well). Do you think your players are ready for the world of Fairy Creatures? If so, then this book is for you.