First impressions

This week's First Impressions, the competition in which you have to identify a book from its opening sentence, comes from a man with a passion for ants:

"In the Amazon Basin the greatest violence sometimes begins as a flicker of light beyond the horizon."

Entries should be submitted to First Impressions, The THES,Admiral House, 66-68 East Smithfield, London E1 9XY, faxed to 0171 782 3300 or emailed to theschat@thes.co.uk

The winner receives a Pounds 20 book token and the closing date is November 4.

The winner of last week's competition, who correctly identified Adam Smith's The Wealth of Nations, is Elisabeth Jaques of London.