Ladd and Colins puzzle

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Across
  1. 2. name of author
  2. 3. Christophers favorite subject
  3. 4. Christophers pet rat
  4. 7. who killed the dog
  5. 9. name of neighbors dog
Down
  1. 1. main characters name
  2. 5. color that Christopher hates
  3. 6. Christophers fathers name
  4. 8. condition Chris has