What's a mother to do when her high-achieving boy - adored by his close-knit family and private school community - turns bully overnight? How is she to know that his sudden headaches and vomiting are far more serious than all the doctors insist? 'The Twinkling of An Eye' ​is the true, life-affirming memoir of a mother's harrowing but heroic fight against her son's rare brain tumour. Brown tells her story with courage, humour and heart. Hers is a revealing, frank and deeply affecting story of the light that shines even in the darkest of places.