Psychology and Sociology Books for sale

I have -

The Penguin Dictionary of of Sociology (2006) - RRP 9.99, will sell for £6

Psychology - The Science of Mind and Behaviour, Third Edition (2007) Passer & Smith,including CDROM, RRP 35.99, will sell for £10

Sociology - Making Sense of society, Third Edition (2006), Marsh and Keating. RRP 28.99, will sell for £24

All in excellent condition, rarely used, with only a slight curling of the first pages.
Any interest let me know.