The Man Who Saw Through Time (The Scribner Library, Lyceum Editions, No. SL429)
Darwin's Century: Evolution and the Men Who Discovered It
Another Kind of Autumn
Fox at the Wood's Edge: A Biography of Loren Eiseley
All the Strange Hours: The Excavation of a Life
All the Night Wings: Poems
The Night Country: Reflections of a Bone-Hunting Man
The Immense Journey: An Imaginative Naturalist Explores the Mysteries of Man and Nature