Thankfully, with the attention now given to the history of women in the sciences, the subtitle of Emily Winterburn's book 'the lost heroine of astronomy' is not really accurate. Admittedly, thanks to the relative coverage given to less substantial contributors to science such as Ada Lovelace, some might underestimate Caroline Herschel's contribution. However, I've read several books on Herschel's work now, notably Claire Brock's The Comet Sweeper and Michael Hoskin's book on both William and Caroline, Discoverers of the Universe . What Winterburn brings impressively is a feel for Caroline the person - although Winterburn is a historian of science, this is more a biography of the active part of a scientist's life rather than a scientific biography. Having read the story often from William Herschel's viewpoint, there's a feeling of watching one of those clever movies where you see the same situation from two individual's very different...