The ZigZag books are designed to introduce a subject in a way that will capture their imaginations, and encourage them to ZigZag down other paths to find out more, all with a healthy dose of humor and irreverance guaranteed to get their attention. Written in easy-to-read language, and illustrated by photographs that have been artfully amended to clarify or illuminate, this book tells about bear dens - how, when, and why they are used. Readers will come away with more knowledge than they think - and with their curiosity peaked. Then they ZigZag to...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?