. . . . "Welcome to the snug world of bear dens. Kids will explore these intriguing places, and find our how, when, and why they are used. Then they'll Zigzag through an adventure of discovery: if a den is a bed for a bear, what's a bed for a tiger? Who else hibernates?" . . "Juvenile works" . . . "Den is a bed for a bear"@en . "A den is a bed for a bear : a book about hibernation" . . . . .