Letters to the Editor

Madam, On p. 89 of the Aslib Proceedings for April 1961, Sir Stanley Unwin is reported as saying that the paper for eight additional index pages in a book is unlikely to cost less than £7 per thousand copies. Clearly this is a misreport. Sir Stanley was almost certainly referring to the costs of machining and of paper for the eight pages. Even so I suggest that the figure of £7 is a little high for a minimum one; with many scientific books of average quality production where the additional eight pages need not be printed as a separate signature, they could be included at a marginal cost of £5‐£6 per thousand copies.