I first heard about Claude Glass while reading "Landmarks"[0] by Robert Macfarlane. While Claude Glass was only briefly mentioned, "Landmarks" itself is one of those wonderfully deep books that invites slow reading. The richness of nature language (that we seem to be losing) has been rewarding for me to explore through Macarlane's experience. I paid attention to nature before, but since starting to read "Landmarks" I have more regularly zoomed in on details and how features of the landscape vary subtly from place to place.

[0] - https://www.penguinrandomhouse.com/books/536563/landmarks-by...

Edit: Fixed author's first name. Thanks @zzleeper!