I haven't read most of these and have marked ones I read and liked very much with an asterisk, but am looking at some of the offer available for someone looking for literary fiction and better quality non-fiction including memoirs - have left out chicklit, romance, crime, most historical fiction (there are a few which are a bit more literary) and young adult books
Today's daily deals offered until midnight include:
David Olusoga's Black and British: A Forgotten History 99p
Monthly deals (not crime/thrillers/chicklit/romance) include:
Non fiction
Oliver Sacks, The Man Who Mistook His Wife for a Hat 99p
Lucy Worsley, Jane Austen at Home 99p
Laurie Lee, Cider with Rosie £1.99
Susannah Callahan, My Month of Madness £1.99
Novels:
John Irving, The Cider House Rules £1.99
- Mary Wesley, The Camomile Lawn £1.99
Graham Greene, The End of the Affair £1.99
John Fowles, The Magus £1.99
Elif Shafak, Forty Rules of Love 99p
Helen Dunmore, Exposure £1.99
- Jo Baker, Longbourn 99p
- Hannah Kent, The Good People 99p
- Salley Vickers, The Cleaner of Chartres £1.99
Louis de Bernieres, Birds Without Wings £1.99
Roddy Doyle, Smile £1.99
- Claire Fuller, Our Endless Numbered Days £1.99
Lawrence Osborne, Forgiven £1.99
- Polly Clark, Larchfield 99p
Also books by Yannis Varoufakis, Alistair Campbell
I recently read Jessica Shattuck, The Women of the Castle. about 3 women in post WWII Nazi Germany and note that it's currently on offer for £1.90 - it has been for a while
If you look at the Kindle Daily Deals page there are also links to Monthly Deals - this seems to always include some more expensive books but most are under £2.