When you're out and about, keep this tabbed booklet by Jonathan Poppele close at hand. Featuring only Northwestern mammals of Alaska, Idaho, Oregon, Washington and northern California, the booklet is organized by group for quick and easy identification. Narrow your choices by group, and view just a few animal tracks at a timecreated to look just as they appear in nature! The pocket-sized format is much easier to use than laminated foldouts, and the tear-resistant pages help to make the book durable in the field.