The language web. The power and problem of words. 1996 BBC Reith Lectures. Jean Aitchison Cambridge University Press, Cambridge, 1997. (xiv + 139 pages) ISBN 0 521 573 858 (hardback) £25.00; 0 521 3 74757 (paperback)] £7.95English as a Global Language. David Crystal Cambridge University Press, Cambridge; 1997 (x + 150 pages) hardback ISBN 0 521 59247 X. £12.95