Twins Will and Annalie are on a mission – to find their missing father. The catch? They will have to sail halfway around the world, across perilous seas to do so! Boarding the Sunfish, a small sailing boat, it isn't just the weather and sea conditions the pair are up against, but a motley crew of runaways, pirates and the Admiralty, an almighty navy that rules all of the oceans. Faced with a world that has been transformed by a catastrophic flood, Annalie and Will's friendship and resilience will be tested on the epic voyage to the Moon Islands. Nothing is ever what is seems and there are new challenges around every corner, but if they band together, these ingenious twins might just have what it takes to take on…
