Don't Say You Haven't...

crossed ... the literary Styx? Don Delillo's Underworld has been published to acclaim on both sides of the Atlantic and this evening finds the American author in conversation with Adam Begley and reading from his latest, epic novel. 7.30pm, pounds 3.50 tickets in advance only, Congress Centre, 23-28 Great Russell St, London WC1, 0171-836 6457

given ... Warhol 15 minutes of your time? The late American's stitched- together grids of black-and white-photographs imbue mundane images with an uncanny quality. Laid out in this business-like pattern, New York street scenes become startlingly unfamiliar. To Saturday, Anthony d'Offay, Dering St, London W1, 0171-499 4100