The Yellow-Lighted Bookshop

On the Tindims’ island home, Bottle Mountain is growing terrifyingly tall with rubbish. So tall that one night it breaks away. Across the ocean, a boy discovers Bottle Mountain bobbing by the seashore. For the first time ever the Tindims are discovered and get to meet the Long Legs and Little Legs. Can the Tindims and the humans help each other to save the planet?