HE IS NOT A MOUSE
Description: This is a screenshot of the “Stuart Little” Wikipedia. The excerpt reads “A boy named Stuart is born to an ordinary family in New York City. He is normal in every way except that he is only just over two inches (5 cm) tall and looks exactly like a mouse”
The overview is even more explicit
So which is it then ?
My muscles are soft in comparison to granite and hard in comparison to a pillow. How can they be both hard and soft at the same time?
It’s a genre called magical realism.
I never read the books, but this sounds like what they mean.