I think one theme would be the importance of non - human relationships. In a world where human - human relationships are often emphasized, this book might focus on how the girl's bond with animals enriches her life. There could also be a theme of innocence, as the love of a girl for animals often has an element of pure, untainted feeling.
It could be about compassion for animals and the exploration of different human emotions. Maybe also lessons on kindness and empathy.
Well, perhaps there are stories about the girl's adventures with different animals. Maybe she had a special bond with a stray dog and the story could be about how they helped each other.
I'm not sure who the author of this book is. You might need to check the book cover or do an online search.
The main themes could include nature, love, and the connection between humans and animals. These themes might be woven throughout the stories to give them depth and meaning.
Often, such stories might focus on the girl's compassion and kindness towards animals. They could also involve adventures she has while protecting or helping them.
Young girls who love animals would likely be a big part of the target audience. They can relate to the main character's love for animals.
Possible themes could be mystery since there's a hidden girl. It might also include themes of discovery as the hidden aspects are revealed. Another theme could be identity, as the hidden girl may be struggling with who she is.
One possible theme could be loss. The stolen girl herself represents a loss, not just for her family but also in a more general sense of something precious being taken away. Another theme might be survival. Characters in the stories could be in situations where they have to fight to survive, whether it's physically, emotionally or socially.
The theme of discovery is likely. They could be discovering new small animals and learning about them. Also, kindness towards the small animals would be another possible theme.
One possible theme could be empathy. Since the girl can think as animals, she is likely to develop a deep sense of empathy towards them, understanding their pain, joy, and needs.