The Mary Celeste was discovered adrift on the open sea by another ship in 1872 -- with no sign of captain or crew. What happened? Did the crew mutiny? Were they attacked by pirates? Caught in a storm? No one ever found out. Inside this book are the clues that were left behind and the theories of what people think happened aboard that ship. Become a detective, study the clues, and see if you can help solve this chilling mystery from history.