No idea if these are any good but shared anyway
http://www.amazon.co.uk/gp/feature.html/ref=pe_151291_42637511_pe_hero/?docId=1000577623&ie=UTF8 (http://www.amazon.co.uk/gp/feature.html/ref=pe_151291_42637511_pe_hero/?docId=1000577623&ie=UTF8)
Very readable, IMHO.
Grab 'em while they're cheap would be my advice.
Yes, highly recommended. :-bd
Got em in paper back, recommended
IanS