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Twins Sidney and Stella love doing everything together. Everything except share. When a quarrel over a bouncy ball spells cosmic disaster, the twins must face their biggest-ever challenge: working together to find a new moon!
- ISBN: 9780763666231
- Author: Yarlett, Emma
- Published: 2013
- Themes: Brother and sister, sharing, Siblings, Twins
- Descriptors: Fiction, Picture Book, Primary (ages 6-9), United States