Price Stern Sloan (formerly known as Price/Stern/Sloan and also as PSS!) was an American publisher founded in the 1960s in Los Angeles, California.
In 1986, they've teamed up with Universal Pictures Home Entertainment (MCA Home Video at the time) to release The Adventures of Mr. Men onto VHS.
From 1971 to 1993, Price Stern Sloan published Mr. Men books in the US.