For a purist experience, you can use the treehouse's very old school oil lamps. Of course, depending on your definition of glamp there's optional electricity to charge phones and run the unit's TV. But why fall asleep to a movie when you can fall asleep to "hoot owls and a babbling ...
Part 2 of the book, and by far its bulk, is the survey of all living creatures — 25 chapters covering Biota in 500-odd pages, broken down as follows: one chapter on how the old “two kingdoms” became “three domains”, one chapter briefly covering both Bacteria and Archaea, one on ...