I’m a Boy, How Are Girls Different? by Shelley Metten
Short Summary
I’m a Boy, How Are Girls Different? by Shelley Metten is part of the Anatomy for Kids series, written to help boys understand what happens to girls during puberty. This book focuses on the physical changes girls experience, using clear, science-based explanations and anatomical illustrations. While it isn’t inclusive of gender or sexual diversity, it’s a useful tool for boys wanting to understand their own development and learn about the changes their female peers go through.
Age Group
Suitable for children aged 13 to 14 years.
Topics Discussed
Puberty
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Buy a Copy
Buy a copy of I’m a Boy, How Are Girls Different? by Shelley Metten from Amazon.

What this book is about
- This book helps boys learn about the physical changes that girls go through during puberty – ideal for building understanding and empathy.
- It covers topics like breast development, periods, body odour, voice changes, and how reproduction works (including eggs and sperm).
- The explanations are medically accurate and presented in a straightforward, respectful way.
- The focus is on biological detail rather than emotional or social aspects of puberty.
- While the illustrations are clear and informative, the book features just one character throughout, which may limit its inclusivity.
- The book does not cover emotional changes, sexual orientation, or gender diversity – it assumes all kids are cisgender and heterosexual.
- That said, it’s still a helpful resource for curious kids who want factual, science-based answers about how puberty works.
- It works especially well for homeschooling families or parents looking for a straightforward educational resource to supplement their conversations.
- As with any book, it’s best paired with ongoing conversations that reflect your family’s values and include more inclusive perspectives where needed.
I hope you find this book review helpful!
Happy talking!
❤️ Cath