What Is the Story of the Headless Horseman?

Dreams and Echoes: A Hayle Coven Novels Novella

Percy Jackson and the Lightning Thief (Book 1)

What Do We Know About the Roswell Incident?

What Do We Know About the Nazca Lines?

What Do We Know About the Mystery of D. B. Cooper?

What Do We Know About the Kraken?

Shadow's name

What Do We Know About the Chupacabra?

What Do We Know About the Winchester House?

What Do We Know About Alien Abduction?

Inheritance: Book Four

The Book of Mysteries, Magic, and the Unexplained

Percy Jackson and the Sea of Monsters (Book 2)

Percy Jackson and the Titan's Curse (Book 3)

Eldest: Book Two

Brisingr: Book Three

The Witches