Songs of Love and Death, a 2010 anthology that contains a Six Duchies short story titled Blue Boots, got republished recently. This is a new paperback and ebook edition released in December 2020 by Saga Press and is now available through booksellers and ebook stores.
Songs of Love and Death was edited by GRR Martin and Gardner Dozois and features authors such Neil Gaiman, Jim Butcher, Diana Gabaldon and Peter S. Beagle.
Blue Boots is a story of a young Buck girl called Timbal and takes place around the later years of King Shrewd’s reign.
There have been various editions over the past decade from a US-only hardcover to split ebook editions, to audiobooks and a Turkish translation which are all listed on the wiki page.