ANDO OFFER: The aj can offer 20 readers a discount for the Tadao Ando lecture accompanying the opening of his Royal Academy show on 30 September. Tickets, at the special aj price of £2.50 (full rate £10) will include entry to the exhibition. Fax bookings to: aj ra Offer on 0171 505 6701. Single tickets only. The lecture starts at 18.30.