Baby Professor 
Hearing Voices – Teaching Children Sounds for Kids – Children’s Acoustics & Sound Books 

I can hear you, I can hear me! But who is that voice talking back to me? Playing with echoes is always fun, as it’s like having a secret friend hiding in the mountains. This book will teach your child what echoes are and how they are formed. It strives to give you the scientific truths behind the most exciting childhood experience any child can have!

Sobre o autor

Baby Professor showcases a collection of subjects that are educational for kids to help them learn how to do something themselves, exactly how something is done or how it came about. Children love to learn through attractive visuals and Baby Prof. is ideal to get your child the head start he or she needs for the future. Our Motto – ‘Learning is Fun, so let’s Make it Fun to Learn’.