via Karl Hab / CC-BY-2.0

Pharrell has landed a deal with Putnam Books for Young Readers for a series of books inspired by his hit song, “Happy.”

According to Billboard, the publisher is set to release four picture books later this fall. Each will feature photographs of children from around the world “celebrating what it means to be happy.” The first book, entitled Happy, releases Sept. 22, with plans of producing 250,000 copies.

“Happy” was featured on the soundtrack of Despicable Me 2 and was an Oscar nominee last year for Best Song.