*Terms and conditions apply: Discount code NC2469 entitles you to buy Room, PB, 9780330519021 for half price at £3.99 (RRP £7.99) at Waterstones.com, exclusive of online postage and packaging. Discount code is valid from 16/02/2011 to 23/02/2011. Discount can only be used once per person. One discount code to be used per transaction. Discount code cannot be used with any other voucher or coupon. Discount code can only be used at time of purchase and not retrospectively. This voucher can only be used on Waterstones.com and not in Waterstone's stores. All prices on Waterstones.com are online only and may differ from Waterstone's stores. Discount does not apply to eReaders, eBooks or eReader accessories and Penwizard personalised gifts.