Cave Detectives: Unraveling the Mystery of an Ice Age Cave more books like this

by David L Harrison, Ashley Mims (Illustrator), Edward Biamonte (Photographer)

What was life like millions of years ago? The answer lies deep underground, in a place once home to a ferocious predator much larger than most animals walking around today. Through photographs and detailed illustrations, readers will learn how the secrets buried in a midwestern hillside helped scientists understand early life on Earth. This book's ...

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