"The hardback edition ... is limited to twenty-five signed and numbered copies, each one containing a handwritten poem from the collection" -- t.p. verso.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Duck and Sally inside by Jeremy Reed. ISBN 1904634125. Published by Enitharmon in 2004. Publication and catalogue information, links to buy online and reader comments.
