It's a biographical novel about the life of the French composer Claude Debussy. The book is a work of historical fiction. Pierre La Mure also wrote Moulin Rouge, a novel about the life of Henri de Toulouse-Lautrec. Clair de Lune details Debussy's life, blending facts with fiction. The book was published by Random House in the US and by Collins in the UK. The cover design features a crescent moon and an abstract image, possibly representing musical vibrations or a stylized depiction of the moon's reflection on water.