The sea almost killed them, and now it must lead them to the truth in this standalone middle-grade eco-mystery about twins lost on the high seas from the author of the bestselling novel The White Giraffe.Twelve-year-old Jess and Jude live a dream life on a battered old yacht, sailing from one exotic destination to the next with their guardian. But when he vanishes one night after an argument with a stranger, the twins are left alone, facing an incoming storm and an unknown en