The Enchanted book

One morning, Katlyn was eating breakfast. Out of nowhere she heard a knock on the door. When she opened the door, she saw a brown and rusty book lying on the floor so she decided to pick it up to bring it to her room. And while the book looked as if it was an ordinary book, it was extremely heavy and when she opened it, the pages were blanc and empty. POCK! Strangely, writing appeared and something fell out while Katlyn shook the book. It was a.....