This is the 9772nd most frequent Spanish word.
autoras
Female authors.
Here, 'autoras' is used to refer to the female authors who wrote the book, showing its role as the subject of the sentence.
Las autoras del libro participaron en la conferencia.
The authors of the book participated in the conference.
In this sentence, 'autoras' refers to female authors in general, positioned as a subject of preference by the speaker.
Prefiero leer libros de autoras contemporáneas.
I prefer to read books by contemporary female authors.
'Autoras' in this use refers specifically to a group of young female authors, attributed with showcasing talent.