No one knows how tall the Endless Tree really is-only that it stretches beyond the clouds, its branches vanishing into the unknown. When Leo, a boy with nothing to lose, begins his climb, he expects only silence and sky. But the higher he goes, the stranger things become.
Hidden villages cling to the bark, their people whispering of the dangers above. Creatures unlike anything on Earth slither through the leaves, watching from the shadows. And somewhere, far beyond where any climber has ever dared, something is waiting for him.
The higher he climbs, the more he learns: about the tree, about the worlds it holds, and about himself. But in a place with no end, the real question isn't how far he can go-it's whether he'll ever be able to come back down.