Harry Potter and the Sorcerer’s Stone is listed as the number 1 book that leavevs a legacy in USA Today today.  The top of the page says:
Books tell a story � about our reading preferences, certainly, but also about what’s happening in our world. USA TODAY’s book editors and critics chose 25 titles that made an impact on readers and the publishing industry over the past quarter-century. If your choices differ, let us know at usatoday.com. We’ll post your picks.

Then here is what they say about Harry Potter and the Sorcerer’s Stone:
Midnight book parties, all-night readathons, overnight deliveries: A boy wizard named Harry got kids (and adults) thinking that reading was cool. And mega sales of the magical series redefined what it meant to be a best seller.

Go HERE to see what the other books were. I am working on a project now so I cannot scan the page yet, I will do so as soon as possible.