In a similar capacity, I researched this Brazilian artist. I found one project on Bandcamp that was three pieces of audio of sound walks, recordings, and other audio.
https://alefenerich.bandcamp.com/album/cole-o-peripat-tica-de-sons-peripatetic-collection-of-sounds
The written element to accompany the book held many interesting aspects, quotes, writings, drawings, and memories from the audio as well as explaining what they had recorded.