What is the character sketch of Helen shady plot by elsie brown?

It seems you're asking for a character sketch of Helen from Elsie Brown's "Shady Plot". However, there isn't a book by that title with a character named Helen.

It's possible you have the title or author's name slightly wrong. To help you find the character you are looking for, could you please provide:

* The full title of the book: Double-check the spelling and make sure it's the correct title.

* Any other details you remember: Do you remember the genre of the book, the time period it's set in, or any other characters?

With more information, I can try to assist you in finding the character sketch you're looking for.