Here are some of her most famous works:
* Just William series: A collection of humorous stories about the mischievous and endearing boy William Brown, his family, and his friends. Some of the most popular titles include *William the Conqueror*, *William*, *William's Happy Time*, and *William's School Days*.
* William's Other Self: A collection of stories featuring William's imaginative alter ego, known as "The Other William".
* The Adventures of a Ginger Cat: A series of humorous stories about a ginger cat named "Ginger".
If you're looking for works by someone named T R Crompton, it's possible they're a lesser-known author. To find out more, you'd need to provide additional information, such as the type of books they write, or the time period in which they were published.