London: A. C. Black, (1986). Hardcover first edition - Charming almost wordless book - large illustrations with brief captions at the bottom - about what happens when Billy misunderstands two construction workers (working on a high-rise) They say "stay there, we'll be down for a cuppa" and he thinks they said "come on up." Small oblong format. Unpaginated. ISBN: 0-713626585.