This updated, interactive collection is the best selling head-to-toe guide book for your growing daughter. As she begins to grow and mature mentally and physically, this series can help her to understand the growing process. Girls will be able to learn about why their body is changing in a fun, interactive way. They'll be able to track their periods, write down how they're feeling or about the different changes they're starting to go throug, read about how to eat healthy, and so much more. This collection is recommended for ages 8+.