William K. Hartmann

19 books

208 pages hardcover 1981

nonfiction art science adventurous informative slow-paced

272 pages 1991

nonfiction history reference challenging informative slow-paced

352 pages 1997

fiction science fiction adventurous challenging slow-paced

428 pages 1983

nonfiction science informative medium-paced

192 pages 1984

nonfiction science adventurous challenging informative slow-paced

384 pages paperback

nonfiction history adventurous informative reflective slow-paced

468 pages paperback 2003

nonfiction science adventurous challenging informative slow-paced

700 pages hardcover 1994

nonfiction science challenging informative lighthearted medium-paced

544 pages hardcover 2002

500 pages paperback 1990

challenging informative reflective medium-paced