Margery, Brynhild, Daphne, and Noel Olivier were well-educated, socially privileged, precocious, striking, scandalous, engaging, and so closely knit that they were the objects of fascination and admiration both during their lives and long after. Here, Sarah Watling offers a group portrait of the sisters as they lived and negotiated the turbulent changes of the first half of the twentieth century, each one devoted to the other but choosing and pursuing...