Who is the author of Little Girl Be careful What You Say?

The book you're referring to is likely "Little Girl, Be Careful What You Say: A Book of Manners for Girls" by Louise Alcott published in 1883.

However, there might be other books with similar titles. If you can provide more context about the book, such as the publisher, year of publication, or any other details, I might be able to help you find the author more accurately.