For those who are after a copy of THE HONOUR OF THE KNIGHTS, you can still find copies at the following retailers,

Waterstone's (Temporarily Sold Out)
Book Depository
Amazon.co.uk
W H Smith

Additionally, the Waterstone's in Canary Wharf and Brighton should still have copies. See the novel's page for more details. Remember that you can always already the book from any book store by supplying them with the ISBN (9780955856105).