Amazon.co.uk has announced a unique alliance with the British Library. The British Library has made available its extensive bibliographic catalogue records to Amazon.co.uk for the first time, so that rare, antiquarian and pre-ISBN books can be made easier to identify and to buy online. The British Library has added details of over 2.55 million unique bibliographic records to the Amazon.co.uk books catalogue, with 1.7 million of these dated before the 1970 introduction of ISBN