When she self-published her first young adult novel, “Slammed,” in January 2012, Hoover was making $9 per hour as a social worker and living in a single-wide trailer with her husband ...

so we took a deep dive into her five series and 10 standalone novels to see which are the best Colleen Hoover books. From Slammed, the 2012 self-published Amazon debut that started it all ...