It’s hard to believe that the boy wizard made his US debut fifteen years ago, but in honor of the occasion, Scholastic has a special prize for public libraries. As part of the commemoration of the event, libraries are invited to submit their plans for the ideal Harry Potter celebration; winning entries will be selected by Scholastic, and the fifteen favorite ideas will be awarded prizes that include:

• 100 copies of the new trade paperback edition of Harry Potter and the Sorcerer’s Stone, with the new cover illustrated by Kazu Kibuishi, to give away at the celebration.

• One new paperback boxed set of all seven Harry Potter books signed by Kibuishi for the library.

• A $100 gift card towards the Harry Potter celebration.

• A Harry Potter event kit with sticker sheets, name tags, bookmarks, activities, and more.

“Throughout the past fifteen years, librarians have introduced millions of children to Harry Potter, and helped young readers discover the joy of reading,” said Ellie Berger, President of Scholastic Trade Publishing, in a press release. “Today we celebrate librarians, the magic of Harry Potter and all the future readers who are getting ready to start their journey to Hogwarts.”

The titles were recently released with new US paperback covers designed by bestselling artist and author Kibuishi as part of the commemoration of what Rowling’s beloved series has meant for readers of all ages. All seven trade paperback titles with the newly designed covers will become available on August 27, the date that the celebration will take place. Winning library entries will be announced on July 31st, Harry Potter’s birthday.

The deadline to enter the contest is July 17, and the event is only open to US public librarians who are entering on behalf of their public library. Entrants must have permission from their public library to enter this contest. Complete rules can be found here. To learn more about Harry Potter and to view or download the new cover art by Kazu Kibuishi, visit http://mediaroom.scholastic.com/harrypotter.