Claire Fuller's latest novel Unsettled Ground, winner of the Costa Novel Award, has a pair of twin siblings at its heart.  Living in isolation and poverty with their mother in their 50s, everything suddenly changes when she dies.  Lauren Groff said: "So sharply, so utterly brilliant that I found myself holding my breath while reading it, dazzled by Fuller's mastery and precision".

We asked Claire to put together a list of her favourite brother-sister relationships in literature, and here are her choices...