Their relationship could become more tender. Char would be more protective of Ella, always making sure she's comfortable and safe. Ella might rely on Char more during this time, and they would have deeper conversations about their future and the family they're creating.
It could be about someone who is 'stuck' during Christmas. Maybe they're stuck in a snowstorm and have an adventure trying to get home for Christmas. Or perhaps they're stuck in a small town and discover the true meaning of Christmas there.
One idea is that a child is stuck in a Christmas tree lot. He got lost while his family was picking out a tree. As he's stuck there, he befriends the lot owner and learns about the hard work that goes into getting Christmas trees ready for families. In the end, his family finds him and they have a great Christmas with a special tree.
Perhaps a fanfiction set in a fantasy world where Mila Kunis and Kristen Bell are powerful mages. They are from different magical schools but must team up to defeat an evil sorcerer who is threatening to destroy their world. Along the way, they learn from each other's magic styles and develop a deep friendship.
It's difficult to assign a specific grade to 'Ella Enchanted' as it can be enjoyed by readers of various ages. Generally, it's suitable for middle-grade readers and above.
The book 'Just Ella' is definitely fiction. It weaves a tale that is purely from the author's imagination, not based on real-life facts or experiences.