Since I haven't read the 'Melinda Parker Christmas Story', it's hard to say exactly who she is. But generally in a Christmas story, she might be a kind - hearted person. Maybe she's a local in a Christmas - themed town and is known for her good deeds during the holidays. Or perhaps she's a newcomer who brings a fresh perspective to the Christmas traditions there.
I'm not sure who Melinda Parker specifically is in 'A Christmas Story' without more context. There could be a character named Melinda Parker within the story, perhaps a friend, neighbor or a relative of the main characters. It might be a relatively minor character or someone specific to a particular adaptation of the story.
I'm sorry, I'm not familiar with the specific 'Melinda Parker Christmas Story'. It could be about Melinda Parker's experiences during Christmas, perhaps her family gatherings, a Christmas miracle she encounters, or her journey to find the true meaning of Christmas.
I don't know the exact role of Melinda Parker in 'A Christmas Story' as it's not a common knowledge about the well - known aspects of the story. She could be a minor character with a small but important role like delivering a key message at some point in the story related to the Christmas spirit.