Stuart's mouse status has been a discussion since before the novel was published in 1945

What many don't remember is that Stuart Little isn't actually a mouse. The films are inspired by the 1945 children's book, ...
AOL

Some “Stuart Little ”Fans Are Just Learning the Titular Character Isn't Actually a Mouse, 80 Years After E.B. White's Tale Was First Published

Stuart Little fans have recently discovered that in the novel, he is a boy-like mouse, not a mouse Fans of the film trilogy were surprised by the revelation, as that take on the story has Stuart ...
PC Magazine

Stuart Little: Learning Adventure

Even if your youngsters aged 3 to 7 didn't see the Stuart Little movies, they'll love this new educational game. Nearly 30 math and reading adventures fill the two-disc set. In Wordland, Stuart must ...