Across
- 4. The last names of the main protagonists of the story.
- 5. Chess' other version of him.
- 6. The Greystones' mother's first name.
- 7. Something that explains what happened during a certain period of time, starting from birth.
- 9. The daughter of Ms. Morales.
- 10. Emma's most skilled subject in school.
Down
- 1. to convert the words of a message in a particular code to reveal a secret meaning.
- 2. The last names of the kids who got kidnapped.
- 3. Parallel universes, places that could be almost completely identical to our world, or very, very different.
- 8. A man who helped the Greystone kids rescue their mom.