From Dr Emily MacDonagh, practising NHS doctor and OK! magazine's popular Health and Parenting Columnist.

Dr Emily talks about the physical and emotional changes of puberty in a simple and friendly way.

Topics include:

When and why will your body start to change?
How will you feel different and why?

What's happening to the boys?

Plus expert tips on healthy eating, positive body image, self-esteem, and lots more.

With colourful illustrations and useful diagrams.

Written in collaboration with a Consultant Paediatrician and School Nurse.