Eloise (originally titled Eloise: A Book for Precocious Grown-ups) is the first of the Eloise book series written and drawn by Kay Thompson and Hilary Knight, respectively.

[1] An audiobook version of Eloise, narrated by Bernadette Peters, was released in October 2015 to coincide with the 60th anniversary of the series.

[2] The title character was inspired by an alter ego of Thompson, a little girl who lives at the Plaza Hotel in New York City.

Eloise was adapted into a live-action made-for-TV film in April 2003, titled Eloise at the Plaza, produced by DiNovi Pictures and Handmade Films for Walt Disney Television with distribution handled by ABC Television Network.

It was released on both VHS and DVD in the same year by Buena Vista Home Entertainment.