Eleven-year-old twins Fox and Fibber Petty-Squabble have always been bitter rivals—and only one can inherit the family fortune.
But when they’re swept into Jungledrop, a hidden kingdom that controls the world’s weather, sibling squabbles become the least of their worries. An ancient evil, the harpy Morg, is hunting the powerful Forever Fern—and if she finds it first, both Jungledrop and the human world could fall into chaos.
Now, in a glowing rainforest filled with magical creatures and strange wonders, Fox and Fibber must work together on a journey that could change everything—about the world, their future, and each other.