It introduces sound and how it becomes vibrating molecules that go into our eardrums. Then, they're turned into electrical signals that are brought to our brains. I like that it also includes that some people can't hear sound and that there are devices and sign language to help bridge that barrier. I also like that the characters are diverse, especially since sound affects everyone no matter who you are.
The words are a little big for a child to read, but it's another way for parents to explain what's going on. The illustrations are colorful and are a perfect visual to see how sound moves.
Final Verdict: I would recommend this to parents who want to introduces how the senses work.