crossword

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Across
  1. 5. Author`s name?
  2. 7. Name of 1st book
Down
  1. 1. Name of the main character
  2. 2. The real father of Percy
  3. 3. In which floor is the Olympus
  4. 4. How many books he wrote of that row?
  5. 6. English word for the son or daughter of a god whose mother/father is a human