Everything Girls Ages 8–12 Should Know by Jane Mullen is a practical and reassuring guide designed to help young girls understand the changes they experience as they grow. The book covers essential topics such as body development, puberty, hygiene, emotions, friendships, and self-confidence in a clear and age-appropriate way. Jane Mullen explains sensitive subjects with kindness and simplicity, helping girls feel informed, prepared, and comfortable with their bodies and feelings during these important years.

Written by Jane Mullen, Everything Girls Ages 8–12 Should Know empowers girls to build healthy habits, positive self-esteem, and strong communication skills. The book encourages curiosity, emotional awareness, and respect for oneself and others, making it a trusted resource for girls who want reliable answers to common questions about growing up. This guide supports personal growth while promoting confidence, safety, and emotional well-being for girls between the ages of eight and twelve¹.