The fun they had

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Across
  1. 3. years old.what was margie age ?
  2. 5. his library.where did tommy find the book ?
  3. 6. Asimov.What is a writer name ?
  4. 8. year has a story been set in ?
  5. 9. are margie and tommy
Down
  1. 1. year old.How old is tommy?
  2. 2. which subject was margie failing repeatedly?
  3. 4. is the main character of the story ?
  4. 7. his house.where did tommy find the book ?