¡Sin resolver! Lugares misteriosos

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 that has been translated into Spanish. This 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.