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Top: “A daring frontal attack on a bomb dropper”, the ink and wash original for a 1917-18 cartoon by William Heath Robinson, Bonhams & Brooks, June 5 – £2800 + 15 per cent.

Middle: An 1818 first of the first major work on plastic surgery, Dr Carl Ferdinand Graefe’s Rhinoplastik..., uncut and largely unopened, Bloomsbury Book Auctions, June 8 – £11,000 + 15 per cent.

Bottom: A 1962 first of Ken Kesey’s best seller One Flew Over the Cuckoo’s Nest, Pacific Book Auctions, San Francisco, May 10 –  $3250 (£2325) + 15 per cent.