I'm selling off some of my library of modification and tuning books on eBay. I've listed them below individually with the Buy It Now prices, but I can do deals on multiple books or for cash on collection from Sheffield, so feel free to PM me if interested.
How to Power Tune Minis on a Small Budget £12 + £3 P&P
How to Build Your Own Supercar £4 + £3 P&P
How to Build, Modify and Power Tune Cylinder Heads £10 + £3 P&P
Supercharged: Design,Testing and Installation of Supercharger Systems £12 + £3 P&P
Eddie Paul's Custom Bodywork Handbook £15 + £3 P&P
Performance Automotive Engine Math £10 + £3 P&P
Metal Fabricator's Handbook £5 + £3 P&P
Sheet Metal Bible £11 + £3 P&P
Performance Fuel Injection Systems
Engine Builder's Handbook
Modern EngineTuning
Performance Fuel Injection Systems
Engine Builder's Handbook
Modern EngineTuning