I've transcribed a collection of 340 letters exchanged between a soldier in the 6th New York Heavy Artillery and his wife from late 1862 through the end of the war. This symmetrical collection is complete with 160 letters from the soldier and 180 from his wife. This is a young, newlywed, working class couple from Westchester County NY. I'm annotating the letters and writing chapter introductions using my deep research into the regiment (while an interesting regiment, the 6NYHA doesn't really warrant a standalone book). I'm trying to find a publisher who might be interested in this project. I contacted a local university press but they declined after showing initial interest saying they couldn't "market" the book. Any suggestions on publishers to contact?