J.K. Rowling is known for interacting with fans (and foes) on Twitter, but this Thursday the author sent a particularly sweet message to a fan who was fasting for Ramadan.
Mujtaba Alvi, a 21-year-old from Toronto on break from school, was rereading Harry Potter and the Order of the Phoenix when he tweeted at Rowling, telling her that the descriptions of food in the fifth Harry Potter book were hard to take while fasting. During Ramadan, the Muslim holy month, those who follow the faith abstain from all beverages and food from dawn until sunset.
To his surprise, Rowling tweeted him back with a helpful tip, suggesting that he read the seventh book in the series, Harry Potter and the Deathly Hollows, next.
In that book, young wizards Harry, Ron and Hermione are often forced to go without food.
Alvi, who calls himself a “true Potterhead,” told TIME that seeing Rowling’s response was “surreal.” Plus, Thursday was his birthday—Rowling’s tweet, he said, was the “greatest gift ever.”
Alvi told TIME he probably will take Rowling up on her suggestion to read Deathly Hollows next. “JK Rowling told me to,” he said via Twitter direct message.
That should be an easy assignment for the Potter fan, who said he’s read the books “multiple times.”