Jane, Buzz, Carter, and Vanessa, aged nine to thirteen, are on a sailing trip in the South Pacific intended to help them bond in their newly-blended family when a massive storm strands them on a deserted island.

When Canny Mochrie goes with her stepbrother to research a coal mine disaster that happened 30 years earlier, she's drawn to a nearby enchanted valley, which is occupied almost entirely by children with the same last name and who can perform magic that makes things stronger and better.

In the old tales, it is written that the egg of a seadragon, dragonfruit, holds within it the power to undo a person's greatest sorrow. But as with all things that offer hope when hope has gone, the tale comes with a warning. Every wish demands a price. Hanalei of Tamarind is the cherished daughter of an old island family. But when her father steals a seadragon egg meant for an ailing princess, she is forced into a life of exile. In the years that...

The story of five Union soldiers and a dog who escape Civil War Richmond by stealing a hot air balloon. A great storm blows them to an uncharted island in the middle of the Pacific Ocean. There, they apply their scientific knowledge and technical skill to create a civilization for themselves. Along the way, the castaways' complications are always mysteriously solved. Will they discover the secret of the island?