Objective Knowledge An Evolutionary Approach Karl R. Popper Price: £22.50 (hardback) ISBN-13: 978-0-19-875024-6 Publication date: 9 November 1972 390 pages, 234x156 mm	Ordering
	Individual customers: order by phone, post, or fax Teachers in UK and European schools (and FE colleges in the UK): order by phone, post, or fax

The specification in this catalogue, including without limitation price, format, extent, number of illustrations, and month of publication, was as accurate as possible at the time the catalogue was compiled. Occasionally, due to the nature of some contractual restrictions, we are unable to ship a specific product to a particular territory. Jacket images are provisional and liable to change before publication.