28 Vols. National Geographic Series (28) Vols from National Geographic Society full of stunning color photographs and maps. The books themselves are in excellent condition. Some of the dust covers are worn. All measure 7 1/4" W x 10 1/4" H. The volumes include:

1) Nature's World of Wonder
2) Lake, Peaks & Prairies - Discovering the United States Canadian Border
3) Wild Lands for Wildlife
4) Great American Journeys
5) Yellowstone Country
6) America's Ancient Cities
7) Heartland of A Continent
8) America's Seashore
9) America's Great Hideaways
10) High Country Trail - Along the Continental Divide
11) Pathways to Discovery
12) Alaska's Magnificent Parklands
13) Blue Ridge Range - The Gentle Mountains
14) Grand Canyon Country
15) The Emerald Realm - Earth's Precious Rain Forests
16) Hidden Worlds of Wildlife
17) Mysteries of Mankind
18) The Mighty Aztecs
19) On The Brink of Tomorrow: Frontiers of Science
20)America's Hidden Corners
21) Canada's Incredible Coasts
22) America's Magnificent Mountains
23) Nature on the Rampage
24) Secret Corners of the World
25) Yosemite
26) America's Wild Woodlands
27) Beyond The Horizon
28) Builders of the Ancient World