The Goldfinch by Donna Tartt: “"Hah. Harry Potter," he said, as he looked me over... It was not the first time, in Vegas, I'd heard the Harry Potter comment”
The White Tiger by Aravind Adiga: “"I know this one is Harry Potter." He showed it to me.”
Mr. Penumbra's 24-Hour Bookstore by Robin Sloan: “...he cracked the supposedly uncrackable Harry Potter series and posted all seven e-books on his site, free to download.”
The Borrower by Rebecca Makkai: “Roald Dahl, Lois Lowry, Harry Potter, and similar authors”
Becoming by Michelle Obama: “playing on the floor with the girls, reading Harry Potter out loud with Malia at night, laughing at my jokes and hugging me, reminding us of his love and steadiness before vanishing again for another half a week or more.”
The Uncommon Reader by Alan Bennett: “There were many who hoped for a similar meeting of minds by saying they were reading Harry Potter, but to this the Queen (who had no time for fantasy) invariably said briskly, 'Yes.”
21 Lessons for the 21st Century by Yuval Noah Harari: “some people may be offended by my comparison of the Bible with Harry Potter...”