“When girls can be honest with each other, they can make mistakes on their own terms and discover through experience - and not through knee-jerk adult intervention - what a healthy friendship should look like.”

American author

Rachel Simmons is an American author best known for Odd Girl Out: The Hidden Culture of Aggression in Girls, published in 2002. Her work has helped bring attention to the social pressures and hidden forms of conflict that can shape girls' lives. She is associated with writing about aggression, friendship, and the ways girls navigate status and belonging. Her book remains the main work identified with her name, and it is the source of much of her public recognition.