For more about Eno, see the [EnoWeb] fan site.
A Year With Swollen Appendices consists of a diary Eno kept throughout 1995, plus an assortment of essays and letters. A mishmash of insightful philosophizing, studio experiences, and a few indulgent minutiae, with more than a few pages that could apply here.
[Games For Musicians] - improvisational role-playing with David Bowie's band: "You are a musician at "Asteroid," a space-based club (currently in geostationary orbit 180 miles above the surface of the Moon) catering mainly to the shaven, tattooed and androgynous craft-maintenance staff who gather there at weekends..."
[Carnival: A model for culture] - a brief article first published in Whole Earth Review. Could be a statement of principles for Puzzlebox.
There's a number of especially Strange-worthy songs on his early solo albums: "Driving Me Backwards" and "Baby's On Fire" from Here Come The Warm Jets, The Great Pretender from Taking Tiger Mountain.
The Shutov Assembly is a collection of ambient pieces mostly composed for art installations. Some are relatively soothing, but there's a certain coldness to them, and an edge of dissonance that makes several of them rather unsettling - good, brooding Strange ambiance. "Ikebukuro" would make a good soundtrack to the Night Gardens.