This week's competition, in which you have to identify a book from its opening sentence, is from a book on mathematics greatly admired by Einstein:
"Man, even in the lower stages of development, possesses a faculty which, for want of a better name, I shall call Number Sense ."
* Entries, including postal address, should be sent to First Impressions, The Times Higher, Admiral House, 66-68 East Smithfield, London E1W 1BX, faxed to 020 7782 3300 or e-mailed to firstname.lastname@example.org
The winner receives a £25 book voucher. The closing date is February .
The winner of last week's competition, who identified Goethe's Faust (Part 1) , was Martin Cortazzi of Leicester.
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