Edited by J L Crammer - Penguin Science News 11 (XI):

Penguin, Harmondsworth, Middlesex, 1949. First Edition, Softcover. Very Good Condition/No Dust Jacket. Yellow covers with white lettering, black lettering and Penguin on front and black lettering and penguin on spine. Small nicks at spine ends. Sound binding. Clean pages and end-papers. Quantity Available: 1. Shipped Weight: under 1 kg. Pictures of this item not already displayed here available upon request. Inventory No: 08315080273. ISBN: 0671890077

See/Hide Conditions of Sale

Following conditions of sale apply:
Terms of Sale

Orders are sent within 2 working days of receiving paypal payment or of UK£ cheques being cleared.

Delivery charges for parcels up to 1kg are as follows, additional charges may be requested for books weighing more than 1kg:
UK addresses (1-3 business days) - £4.50
UK addresses (2-5 business days) - £3.50
European Union priority (5-12 business days) - £18.00,
European Union standard (8-3020 business days) - 12.00
USA priority (5-15 business days) -£24.00
USA standard (10-20 business days) - £12.50
Rest of the world (10-15 business days) - £25.00
Rest of the world (10-30 business days) - £18.00

Orders for books weighing less than 1 kg will generally be processed on receiving your order. For heavier items we will contact you for your agreement to delivery charges before processing your order. Multiple orders are packaged to minimise delivery charges where possible.
Your agreement to a charge for additional insurance may be sought on purchases of higher value or if the order is to be delivered to a different address other than the ordering address.

Returns on books that are not as described are made if returned within 14 days of receipt. It is essential that customers e-mail or phone us to discuss the return prior to the return being posted. Returns on books that are as descibed but on receipt are not wanted by the customer may be allowed, contact us as soon as possible if you wish to return on this basis, the buyer will be responsible for the costs of returning the item(s).