Global Non-Fiction Books Market Size, Share, Demand Report By Genre (Biographies & Memoirs, Self-Help & Personal Development, Business & Economics, History & Politics, Science & Technology, Health & Wellness, Art & Culture, Religion & Spirituality, Education & Academic), By Format (Print, E-Book, Audiobook), By Distribution Channel (Online, Offline, Institutional, Direct), By End-User (Individual, Institutional, Corporate, Library), By Region & Segment Forecasts, 2025–2030