Jodie Sweetin broke her leg in real life, and the accident had to be written into the show.
This is the second time Jodie Sweetin has an injury written into the show, originally they had to write in a cast for her arm in Full House (1995]
If DJ did start making the Fixing Stephanie book in high school, it would have said written by Donna Jo Tanner and not Donna Jo Fuller as she did not get married until after high school.