There's this book, Fablehaven. It's a series, as well, with over four Книги in it. It revolves around Kendra and Seth Sorenson as they go to their grandfather's Estate. They discover a secret magical preserve, which they quickly learn is in danger from the Society of the Evening star, an evil secret society. Brandon Mull is the author, and he uses a very good Письмо style. The Книги had a lot of action in it, and a shocking twist at the end of the секунда book was completely unexpected. If Ты are young like me (I'm 14) или younger, (maybe 15) Ты should really like Fablehaven. It's nice and thrilling.