One of the very best must-read novels of all time - with a new introduction by Roddy Doyle

'A well told tale signifying a good deal; one to be read again and again' THE TIMES

'The book I wish I had written ... It's so far away from my own imagination, I'd love to sit at my desk one day and discover that I could think and write like Ursula Le Guin' Roddy Doyle

'Le Guin is a writer of phenomenal power' OBSERVER

The Principle of Simultaneity is a scientific breakthr ...