I first learned about The Graveyard Book from a friend of mine who enjoyed sharing the book with his children. I read it for myself and thought it was so interesting and captivating. You can read the reviews and more info on it here to determine appropriateness for your children. (amazon affiliate link) Recommended for children in grades 5-8, though I know for a fact that older folks will enjoy it as well.
Now you can listen to the author himself, reading this book to you! It’ll only take about 8 hours, but who’s counting? 🙂