I'm not sure specifically as I haven't read it. But it might be about a girl who has some sort of connection to oleander. Maybe her story is set in a place where oleander grows, and the flower could be a symbol related to her character, her journey, or the overall theme of the novel.
Sorry, I'm not familiar with this particular novel's author. You could try searching for it on online bookstores. They usually have information about the author of a book.
Well, without having read the 'oleander girl novel', it's hard to say for sure. However, it could be a love story where the oleander is significant. For example, the girl might meet someone special in an oleander - filled garden. Or it could be a story of the girl's self - discovery, with the oleander as a metaphor for her hidden self. The novel might explore her relationships, her dreams, and how she overcomes obstacles, all with the oleander as a recurring element in the plot.
Astrid is a very important character. She is the protagonist who endures a lot through her mother's imprisonment and her time in foster care. Her mother, Ingrid, is also important as her actions set off Astrid's journey.
One main theme is the complex relationship between mother and daughter. Astrid has a tumultuous bond with her mother, Ingrid. Another theme is the idea of survival in difficult circumstances. Astrid has to navigate through various foster homes and challenging situations.
White Oleander is definitely fictional. The story, characters, and plot are all made up by the writer to engage and entertain readers. There's no real-life basis for it.