According to NPD Group, an American market research company, U.S. sales of self-help books have exploded in recent years by 11% from 2013 to 2019. The self-help literature is one of the fastest-growing nonfiction genres, and the market is expected to reach $14.0 billion by 2025. But who is driving this growth - men or women? The quickest answer is – maybe, women! To … [Read more...] about Who is Reading More Self-Help Books: Men or Women?