Anna hasn't a friend in the world - until she meets Marnie among the sand dunes. But Marnie isn't all she seems...An atmospheric ghost story about friendship, families and loneliness. Sent away from her foster home one long, hot summer to a sleepy Norfolk village by the sea, Anna dreams her days away among the sandhills and marshes. She never expected to meet a friend like Marnie, someone who doesn't judge Anna for being ordinary and not-even-trying. But no sooner has Anna learned the loveliness of friendship than Marnie vanishes...