Percy Jackson

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Across
  1. 2. A monster with only one eye
  2. 4. A half goat, half human
  3. 5. A half human, half god
  4. 6. A landing and take-off area for helicopters
Down
  1. 1. The only type of metal that can harm a monster
  2. 2. A long, woolen tunic worn in ancient Greece
  3. 3. A nineteenth century warship with armor plating
  4. 6. A witch in the form of an ugly old woman