What does Neal shusterman think is the most challenging genre to write?

Neal Shusterman has expressed that he finds writing speculative fiction, particularly dystopian narratives, to be one of the most challenging genres. He believes this is due to the need for a convincing and cohesive world-building that resonates with readers, alongside the exploration of complex societal issues. Additionally, striking a balance between engaging storytelling and thought-provoking themes can be particularly difficult in this genre.