The following books published by TSL are set in Wales or mention the region.
The Adventures of Rhys:
The Adventures of Rhys are set in Wales, based on author Beatrice Holloway‘s husband who grew up in the area.
There seems to be a growing genre of Welsh writers, or perhaps I’m being exposed to them more.
Leslie Tate interviews
TSL author, David Stroud – novel Albatross and a monologue Wenglish