<p>Based on responses to his earlier books - Pernicious Anaemia: the forgotten disease, and Living with Pernicious Anaemia - and on the daily enquiries and cries for help that come to the Pernicious Anaemia Society, Society-founder Martyn Hooper brings together the essential knowledge that sufferers and their families and friends need to understand, and withstand, vitamin B12 deficiency and pernicious anaemia. Martyn discusses the many uncertaint...