Jacqueline Wilson is a prolific author known for her popular children's and young adult novels, but "Your Sister Jodie" isn't listed in her bibliography.
It's possible you may have misremembered the title, the author, or the book itself.
To help you find the book you're looking for, could you please provide more details?
* Do you remember any other details about the book, like the plot, characters, or setting?
* Is it possible that you're thinking of a different author or a different book entirely?
With more information, I might be able to help you pinpoint the right book!