I have for sale:
Biology, by Campbell, 6th edition (but I assure you it hasn't changed that much since then!). £10
Biology of Microorganisms by Brock. £10
Evolution by Mark Ridley, £10
These were three great, useful books during my undergrad. I'm sure someone would like to take them off my hands!
Email me,
e.edwards AT abdn DOT ac DOT uk