The famous British author JK Rowling revealed during an interview with USA Today that she is back to work and she is writing two new books.

"I'm sort of writing two things at the moment," she said. "One is for children and the other is not for children."

The seventh and last volume of Harry Potter series, Harry Potter and the Deathly Hallows, was released last week worldwide and 11 million copies were sold in the first 24 hours of publication.

During the interview, Rowling also offered a hint about the book’s ending. "In the early days, everything was up for grabs," she told USA Today. "But early on I knew I wanted Harry to believe he was walking toward his death, but would survive."

But she said she was pleased that rumoured endings included the death of the boy wizard.

"I was very proud that people thought Harry's death was a genuine possibility. I wanted the reader to feel that anyone might die, as in life," she said.

Rowling added that she hoped the Harry Potter series would live on. "In 50 years' time, if people are still reading them, they deserve to be read, and if they're not, then that's okay," she said.

Some 325 million copies of the first six volumes have been sold worldwide, and the books have been translated into 64 languages

Earlier this week in an interview with Today’s Meredith Vieira, JK Rowling said she "probably will" publish a Potter encyclopedia, from which fans will find out many more details about their favorite characters as well as more news about what will happen with the wizarding world, she will try to reach some sort of closure.

In fact, this is not the first time when Rowling hints about more books inspired by Harry Potter’s universe.

"I've loved writing about Harry," Rowling said shortly before her last volume of the Potter saga was due to be released. "But now I need some time out."

But even if she was going to miss Harry, the story was not yet over for her.

"My two youngest children don't really know yet who Harry Potter is. I'm so looking forward to share the book with them, when they're old enough - it helps me not to feel too sad that it's all over now."