On Arborium, the last forested island in the future, fourteen-year-old Ark, who lives in a mile-high city set in the treetops, overhears a plot to rob Arborium of its wood, a natural resource more precious than gold.
- ISBN10 8427200935
- ISBN13 9788427200937
- Publish Date 1 May 2011
- Publish Status Out of Print
- Out of Print 6 August 2021
- Imprint Molino
- Format Hardcover
- Pages 450
- Language Spanish