Who is the main character in the story, Thunderbolt, from the collection, Young Warriors: Stories of Strength?

Helen, the story's main character, is a princess of Sparta who has been kidnapped and taken to Greece as a war bride. Helen doesn't want to be in Greece and she refuses to be humbled by her captor. She doesn't believe that women are unable to fend for themselves. Helen devises a plan to escape her captors. She escapes Greece and is able to return to her home.