The publisher is based in Paris, France.

Hélium is a French publisher specializing in children's and young adult books, which it has been publishing since 2009. With a catalog as vast as it is varied, Hélium offers multiple reading experiences - from the manipulation of the object-book to the challenge of the game-book, through books that appeal to the contemplation of images, the learning of certain concepts or the enjoyment of a story.

Authors include names such as Beatrice Alemagna, Olivia Cosneau, Anouck Boisrobert & Louis Rigaud, Ingela P. Arrhenius, Didier Cornille, Carson Ellis, Iris de Moüy, among many others.