Scott Lynch has announced that the release date for his next Gentleman Bastard book, The Thorn of Emberlain, has had to drop back to early 2016.
Lynch did confirm that the book is very close to being done and might have made it out before the end of 2015 with an accelerated production process he and his publishers didn't feel comfortable with, so the book will drop back a little to the spring instead. He hopes to confirm hand-in of the manuscript shortly.
The Thorn of Emberlain is the fourth book in the series, following on from The Lies of Locke Lamora, Red Seas Under Red Skies and The Republic of Thieves. It will be followed by three more volumes in the series, The Ministry of Necessity, The Mage and the Master Spy (possibly to be retitled) and Inherit the Night.