Pobby and Dingan live in Lightning Ridge, New South Wales, the opal capital of Australia. They are friends with Kellyanne Williamson, the daughter of a miner: indeed only she can see them. Pobby and Dingan are imaginary. Ashmol Williamson, Kellyanne's brother thinks his sister should grow up and stop being such a fruit loop — until the day when Pobby and Dingan disappear. As Kellyanne, grief-st...