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by James Willard Schultz. Softcover, 240 pages.
By George Bird Grinnell. Softcover. 310 pages.
By C. W. Guthrie and Dan & Ann Fagre. Softcover, 314 pages.
By Randi Minetor. Softcover, 240 pages.
By David R. Butler. Softcover, 96 pages.
By David R. Butler. Softcover, 128 pages.
By Michael J Ober. Softcover, 111 pages.
By Tom Mulvaney. Softcover, 128 pages.
By Dave Ember. Softcover, 72 pages.
By C. W. Guthrie. Hardcover, 168 pages, color photos.
By Alan Leftridge. Softcover, 48 pages.
By C. W. Guthrie. Softcover, 48 pages.
By John Taliaferro. Hardcover, 624 pages.
By John Fraley. Softcover, 296 pages.
By Michael Punke. Softcover, 304 pages.
By Jack Olsen. Softcover, 221 pages.
By George Lambert Bristol. Hardcover, 402 pages.
By Jack Holterman. Softcover, 240 pages