This book is different from others. YOU decide what happens in this story.Your best friend Tom has mysteriously disappeared while investigating the ancient Mayan civilization in Mexico. The only clue is a patch of fresh blood on an altar that Tom had been examining just hours before he vanished.Now, it is up to you to find him. Will you dare to travel back in time to the world of the Maya? Or is Tom still in the present, held prisoner by some unknown enemy? Choose your next move wisely. The wrong decision could have deadly consequences...