Welcome to Explorer Academy, the school where kids train to become the next generation of great explorers. Readers will join Cruz and friends as they embark on an unforgettable global adventure solving mysteries and cracking codes. Included are the following titles: The Nebula Secret, The Falcon’s Feather, The Double Helix, The Star Dunes, The Tiger's Nest (5 books of paperback), The Dragon's Blood, The Forbidden Island (2 books of hardcover)