The only book written by Mendal W. Johnson, who died two years after it was published, 1974’s Let’s Go Play at the Adams’ still elicits passionate loathing. Search online and you’ll find readers who describe destroying the book after finishing it, who write about being left ill, about how sick the author must have been. They call it “misogynistic” and “loathsome.” Yet people remember it vividly decades later.