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Sound
Current price: $12.99
![Sound](https://prodimage.images-bn.com/pimages/9781684647804_p0_v1_s600x595.jpg)
![Sound](https://prodimage.images-bn.com/pimages/9781684647804_p0_v1_s600x595.jpg)
Barnes and Noble
Sound
Current price: $12.99
Size: OS
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Meet Professor Pooch and her considerbly less-than-brilliant Doberman assistant, who will introduce core science topics in this humorous, comic book series. Learn about sound waves, the speed of sound, sound energy, how ears work, echoes, and more, in this doggy comic book.