Here are the current 10% extra off offer codes for buying books. Simply type the code into the
source/discount box on the first page of the checkout on the relevant site to get your extra discount if it doesn't already show up in the basket and/or checkout.
Please use the following links, as it also generates a small amount of revenue to help keep this site running
[wibblexass]
Each site has different pricing structures, so you might need to check each in turn to find the best deal. Computer Manuals has good discounts but a delivery charge of £2.50 (for UK, higher for overseas) for orders under £25. BookFellas has lower discounts, but free UK delivery for orders over £5. SprintBooks has good discounts and a flat rate of £2.50 for UK delivery on all orders (expensive books tend to be a little cheaper than on Computer Manuals).
For overseas (non-UK) members I'd recommend SprintBooks - it often has the best discounts on cheaper items due to the flat rate UK charge, but charges the same cost to post overseas as the other two sites.