Ollie, Bea and Ula do everything together. They play in the waves, eat shellfish feasts and snuggle up together to sleep. But there comes a day in every otter's life when they must find a perfect rock. One shiny and strong enough to crack open shells for themselves. When they find the best rock of all, who will get to keep it? This picture book about sibling struggles and family love makes a cosy bedtime read that can help with difficult conversations about sharing. Sarah Noble's gorgeous illustrations bring the world of sea otters to life.