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? Imagine a bear in your house...what would make it happy? Kids will come away knowing more than they think, and wanting to know even more.