Ina May's Guide To Breastfeeding, by Ina May Gaskin

I found this book very practical, clear and thorough on the subject. With lots of ideas and different angles on breast-feeding. The common denominator between chapters is that breast-feeding is natural, nurturing, can be enjoyable indeed and with care can be easy even if it is demanding.
It doesn't have to be red from beginning to end but consulted on demand with a wonderfully detailed index.
As a holistic practitioner I think prevention is better then cure, reading this book early gives confidence and knowledge on the subject so mums can healthily and easily breast-feed and practitioner can refer to a reliable, professional source.