[.uk] Gardener's Guide to Better Soil (ISBN 087857106X)

A great book:
If you're seriously into gardening organically (the real organic gardening where you care for the soil rather than just dumping on organic fertilizer instead of chemical fertilizer) - I recommend this book; I learned a lot. It covers different types of soils and what to so with them, additives and green manures, cultivation; it's very readable. It's a bit dated-looking but the information is sound. It spends more time than I'd like suggesting how to identify good land before you buy it.