Covering everything about the world's first national park, Yellowstone, this fifth edition of the popular guide revises descriptions of the hot springs, geysers, and wildlife viewing. Features mile-by-mile road logs, charts of Yellowstone's campgrounds and facilities, maps of the geyser basins and predictions of the geyser eruptions, out-of-the-way hikes, and a field guide. Updated with new lodgings, recent research, 65 new color photos, and revised maps. A 21-page index rounds out the book.