Percy Jackson: The Sea of Monsters

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Across
  1. 2. The girl that was once a tree
  2. 4. Annabeth's mother
  3. 5. The god of the sea
  4. 6. The son of Hermes
Down
  1. 1. The thing that they were finding for a cure in Thalia's tree
  2. 2. Percy Jackson's brother
  3. 3. The hippocampi