_:n842e1aabe21347b286f4c6df1b9d8caaxb0
<http://schema.org/description>
"For Grade Level 7-12\r\n\r\nExplore deep into the hidden wonders beneath the surface as cave expert Dr. Emil Silvestru takes you on an illuminating and educational journey through the mysterious world of caves. Discover the beautiful formations, thriving ecology, unique animals, and fragile balance of this little-seen ecosystem in caves from around the globe."
<https://www.masterbooks.com/cave-book-hardback-single>