Kaz Cooke is the number one go-to advisor for Australian girls and women. Her best-selling books includeGirl Stuff,Women's Stuff,Up the Duff,Kidwrangling,and a series of ebooks on women's health issues from sex to mental health and menopause. Kaz's funny, friendly style is backed by research and professional consultants- she'sbeen a best friend to at least two generations. (Her children's bookThe Terrible Underpantsis not quite autobiographical.)