This sound book is presented as a hardcover volume combining printed pages with an integrated audio module.
A bound book format defines the item as a single enclosed unit.
Illustrated pages together with marked touch areas form the clearly identifiable features. Touch interaction activates audio playback during operation. 

Sound output occurs when designated areas are pressed.
The structure remains fixed within the bound format.
These combined characteristics lead naturally to the details below.

• One sound book supplied as a single enclosed unit
  
  

• Hardcover structure surrounding printed pages
  
  

• Marked touch areas positioned on the pages
  
  

• Audio playback activated through touch interaction
  
  

• Battery-powered audio module integrated within the book
  
  

• One enclosed item supplied without additional parts