Banned in the mid-90’s
While these were incredibly popular back in the day, and insanely addictive, there were small easter eggs that people got offended by. In one puzzle, in a tiny corner, there’s a topless woman. This got the book banned in Michigan and New York.
Meanwhile, there’s another puzzle with a gladiator stabbing the heck out of a tiger, with blood everywhere. No one batted an eye.