A compelling, dark and twisty psychological thriller that asks the question: if you can't trust your sister, then who can you trust? For fans of Kathryn Croft's While You Were Sleeping, Katerina Diamond's The Secret and Lisa Hall's Tell Me No Lies

'This thriller doesn't hesitate to pull you into the twisted world of family secrets and sibling rivalry. A great story with characters that just leap off the page and a thoroughly satisfying ending.' Katerina Diamond, author of THE TEACHER

'A missing baby girl, a marriage ravaged by mistrust, a sibling rivalry with a very dark heart: LITTLE SISTER had me gripped from start to finish.' Louise Candlish, author of THE SWIMMING POOL

After sixteen years apart sisters Jessica and Emily are reunited. With the past now behind them, the warmth they once shared quickly returns and before long Jess has moved into Emily's comfortable island home. Life couldn't be better. But when baby Daisy disappears while in Jess's care, the perfect life Emily has so carefully built starts to fall apart.

Was Emily right to trust her sister after everything that happened before?