"Examines 12 of the spookiest unsolved mysteries. Each spread provides information about a mystery and its origins paired with interesting sidebars and questions to consider."--Back cover.
"Examines 12 of the most frightening alien encounters. Each spread provides information about a mysterious alien event and its origins paired with interesting sidebars and questions to consider."--
"Examines 12 of the most engaging ancient mysteries. Each spread provides information about a mystery and its ancient and recent discoveries paired with interesting sidebars and questions to consider"--Provided by publisher.