Yen Press has announced a license for the novel Fireworks, Should We See It from the Side or the Bottom?, by Shunji Iwai and Hitoshi Ohne. Fireworks began as a 45-minute Japanese TV film written and directed by Shunji Iwai in 1993, which later saw theatrical release in 1995. An anime film adaptation of this story was released in Japan in August 2017, directed by Nobuyuki Takeuchi at anime studio Shaft (with Akiyuki Shinbo [Bakemonogatari, Madoka Magica] as chief director).
Yen Press will release the novelization of the anime film in English this August. Looking at its listing on Amazon, it has a release date of August 21st. Similar to the Yen On novel release for Your Name, it appears the physical release for Fireworks will be a hardcover, and an ebook option will also be available.
Synopsis: On the eve of a fireworks festival in a quiet port town, a young boy wonders with his childhood friend what fireworks look like from the side. Their curiosity drives them to make a promise that they'll climb a light house and find out for sure. But that evening, the girl he secretly likes suddenly asks him to run away with her. Where will this summer night lead him?