In an isolated society, one girl makes a discovery that will change everything and learns that a single stone, once set in motion, can bring down a mountain.

• ISBN: 9780763688370
• Published: 2017 , Candlewick
• Themes: action and adventure, dystopian, Friendship, oppression, rebellion
• Descriptors: Australia, Intermediate (ages 9-14), Science Fiction
• No. of pages: 272