Don Hagen has written at least 7 books. Their most popular book is The Biology of Desire: Why Addiction Is Not a Disease with 18 saves with an average rating of 4.4⭐.
Series
2 primary booksAuthored 0% of series
Adolf Hitler is a 2-book series with 2 released primary works first released in 2013 with contributions by Volker Ullrich.
Hitler