Sophie Elkan has a background in Marketing and PR and now works in communications. She started her career working on women's magazines, including Marie Claire, as well as teen titles Mizz and 19.

Laura Chaisty is a qualified Art Psychotherapist with over fifteen years of experience working in the National Health Service.

Dr Maddy Podichetty is a GP based in Oxford.

All three are mothers of girls.

Flo Perry is a freelance illustrator and writer. She's a former editor at BuzzFeed, and has a passion for drawing funny pictures, especially about boobs and cats. She lives in London with her girlfriend, her best friend and a large, annoying, deaf cat.

'Wise and kind' - Sali Hughes

'Every young teen needs this book' - Nadia Sawalha

'Brilliant, accessible, sensitive and funny' - Emily Maitlis

'Funny, kind and wise' - Daisy Buchanan

Going through puberty? Thinking about puberty? Worried about growing up? This book is for you!

Puberty isn't just about what's going on in your body, but also your brain, your emotions and the world around you.

Knowledge is power! All the information you need is here, plus advice, wisdom and lots of questions from girls like you:

- Body-basics (like breasts, spots and periods)

- Life's big mysteries. Is how you look important? Is a crush ever wrong? Is it bad to be jealous of your friends?

- Clear, empowering info on emotions, sex, sexuality and gender

- Staying safe and having fun online

- Plenty of space for your own notes and doodles

Wise, kind, non-judgemental and empathetic. This book should be within every girl's arm's reach

Every young teen needs this book

Funny, kind and wise.

Brilliant, accessible sensitive and funny - get this book for your children, your godchildren, your grandchildren and then everyone else's children!

This book frees girls from any ill-conceived myths about what they should or shouldn't be feeling as they go through puberty. It says that you are ok the way you are - a message that could not be more important particularly during this crucial time where our bodies are going through a revolution.