"This book will introduce readers to the saber-toothed tiger and help them learn when and where the animal lived, what it looked like, how it survived, and why it went extinct"--Publisher.
"This book will introduce readers to the American Mastodon and help them learn when and where the animal lived, what it looked like, how it survived, and why it went extinct"--Publisher.
"This book will introduce readers to the giant beaver and help them learn when and where the animal lived, what it looked like, how it survived, and why it went extinct"--Publisher.
"This book will introduce readers to the dire wolf and help them learn when and where the animal lived, what it looked like, how it survived, and why it went extinct"--Publisher.
"This book will introduce readers to the woolly mammoth and help them learn when and where the animal lived, what it looked like, how it survived, and why it went extinct"--Publisher.