Unsolved Mysterious Places. From Stonehenge to the Bermuda Triangle, there are many places on Earth that remain a mystery to scientists Readers will discover these curious places--and more--as they move through this fascinating nonfiction title. This mysterious book features detailed images, informational text, and stimulating facts and theories in conjunction with upper-level features, such as chapter format, a glossary of terms, and an index. This 6-Pack includes six copies of this title and a lesson plan.