Books
- 601
- Skybooks
- Publishes on the Montauk project and other time travel conspiracies. Ordering by mail, phone or email.
- 602
- 2Neat Books
- Specializes in USGS professional papers, offprints of scientific publications and magazines.
- 606
- North Woods Field Guides
- Educational field guides for the identification of animal tracks, trees, wildflowers, and constellations.
- 607
- PaleoPublications
- Used, some rare, works in Paleontology, Geology, Mineralogy, and related subjects.
- 608
- WMNH Giftshop
- Geology books, slides, and prints available from the World Museum of Natural History giftstore.
- 611
- Daimon Books
- Books on Philosophy, Jungian Psychology and personal development in English and German. Excerpts and sample chapters available online.
- 613
- Understanding Reality
- Stefan Hlatky and Philip Booth's book argues that understanding reality is a prerequisite of solving problems.
- 616
- Banner Books
- Publisher of non-fiction hardcover military books on Australian aviation and naval history.
- 617
- Confessions of a Pilot
- The website for "Confessions of a Pilot", a book that describes long-distance recreational Tri-Pacer flying in America.
- 618
- Cossani Publishing
- Swiss publishers of two Pilatus books (PC-12 and PC-6). Available in German or English.