A Pickle for the Knowing Ones is a children’s book written by Eliza Leslie. It is a collection of short stories and essays that is intended to educate and entertain young readers. The book can be beneficial for children as it can help them develop their reading skills and vocabulary, as well as gain knowledge about different topics such as history, science, and moral values. Additionally, the book can also help children learn how to think critically and make good decisions, which can be valuable life skills.