Blood of Dragons
Blood of Dragons is part four in the Rain Wild Chronicles and the final part of that series.
The dedication is for Ralph Vicinanza, Robin's longtime literary agent. 
- A UK hardcover edition from Harper Voyager with ISBN 9780007444137 the 14th of March 2013, blue cover by Jackie Morris.
- An Australia/New Zealand trade paperback edition from Harper Voyager in March 2013 with ISBN 9780007444144.
- A US hardcover edition from HarperCollins with ISBN 9780062116857 the 9th of April 2013, green cover by Jackie Morris.
- A UK paperback edition from Harper Voyager with ISBN 9780007545582 the 27 March 2014, same cover art as the UK hardcover.
- A US mass marker paperback edition the 28th of October 2014 with ISBN 9780062116918, using the Jackie Morris cover of the US hardcover edition.
- A UK paperback edition from Harper Voyager the 30th of June 2016 with 9780008154462 and new cover art by Jackie Morris.
- An unabridged audio book edition from HarperCollins the 11 of April 2013 with ASIN: B00CB92PLU. Read by Anne Flosnik, length 16 hours 9 minutes. As of May 2016 this seems to be the only audiobook version available, there is no US version.
- A Kindle edition from Harper Voyager the 14th of March 2013 with ASIN: B009BZ67XE.
- A Dutch translation titled Drakenbloed from Luitingh the 20th of December 2011 with ISBN 9789024538980.
- A French translation split into two parts
- Le Vol des dragons first published the 24th of April 2013 by Pygmalion with ISBN 9782756407142 and as an ebook with ASIN: B00CGWSXBI. Reprinted by J'ai lu the 11 of June 2014 with ISBN 9782290085974 and France Loisirs in 2014.
- Le Puits d'argent first published the in September 2013 by Pygmalion with ISBN 9782756407159. and as an ebook with ASIN: B00FDTY73Y. Reprinted by J'ai lu the 12th of November 2014 with ISBN 9782290085981 and again by France Loisirs.
- A Russian translation Кровь драконов in hardback in January 2015 with ISBN 9785699765287.
- http://robinhobb.com/2010/09/ralph-vicinanza/ Robin Hobb blog: Ralph Vicinanza