The book of secrets

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Across
  1. 4. cruel and controlling
  2. 5. Sorry
  3. 8. something written
  4. 11. Opposite of Found
  5. 12. keep out of sight
  6. 13. something difficult to explain
Down
  1. 1. being a kid
  2. 2. To unlock something
  3. 3. old and collectible
  4. 6. Something you won't tell anyone
  5. 7. Something told
  6. 9. meaningful
  7. 10. the safest place