Arc of a series of 3 books/chapbooks

Long Stall Of The Ladder’s Percussion
https://archive.org/details/the-long-stall-of-the-ladders-percussion-by-richard-j-tilley

Three Banished Trees
https://archive.org/details/three-banished-trees-by-richard-j-tilley

Algol, Part III
https://archive.org/details/algol-part-iii-by-richard-j-tilley