Interactive storybooks research!

I researched interactive storybooks for children. When I was a child I can remember playing with this interactive book called "LEAPFROG". It had a pen attached to the book and if you touched a word on the page with the pen, the book would say that word out loud.
Link: https://www.leapfrog.com/en-us/app-center/academy/landing.jsp
This book was one inspiration for my interactive virtual reality experience of a story. The only difference is that inside of the device telling you the word, you have to tell it the word and read it out loud. Then through voice recognition you would move forward in the story.

Here is a photo of the book that I used to have when I was a kid: