1st Grade - Help Us Unlock the Books!

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Across
  1. 4. Clue 3
  2. 6. Clue 2
  3. 9. Clue 13
  4. 10. Clue 14
  5. 12. Clue 10
  6. 15. Clue 17
  7. 16. Clue 9
  8. 17. Clue 1
  9. 19. Clue 18
  10. 20. Clue 4
Down
  1. 1. Clue 12
  2. 2. Clue 19
  3. 3. Clue 7
  4. 5. Clue 5
  5. 7. Clue 8
  6. 8. Clue 16
  7. 11. Clue 20
  8. 13. Clue 11
  9. 14. Clue 6
  10. 18. Clue 15