(AP Photo/Ric Francis, File)
That's among the topics discussed on Oprah Winfrey's first interview with the author, whom she met recently in Edinburgh, Scotland.
The interview will air today on Winfrey's television program. Check local listings for stations and times.
Harpo Productions announced earlier this week that Rowling will also discuss how she has coped with the fame brought on by her famous series.
The books spawned a movie franchise and theme park. More than 400 million copies of the books about the boy wizard have been sold worldwide.
The first half of "Harry Potter and the Deathly Hallows" -- the seventh and final book in the series was split into two movies -- will be in theaters Nov. 19.
Forbes magazine has ranked Rowling as one of the richest women in Britain, with an estimated wealth of $1 billion.