Australian-Greek girl Nandi travels to her ancestors' home in Ithaca, and discovers - through a friendship with an extremely unusual flying fish - the extraordinary story of her great-aunt Elena; of how she fell in love, in the hardest of times, and how of how she became an unsung hero of World War Two. But Elena has gone missing, and Nandi has to find her... 10+ The first new novel in two years from master storyteller Michael Morpurgo.