Star Wars The Empire Strikes Back Read-Along Story Book and Cassette - from 1980
https://www.youtube.com/watch?v=s0rxQIiblzA - 13 minute video, at Star Wars Radio
more information: https://starwars.fandom.com/wiki/The_Empire_Strikes_Back_(book-and-record)
a flick through the actual book 13 minute video here: https://www.youtube.com/watch?v=bZDwLnMXg4k
I don’t have the cassette (found the book without it in a bric-à-brac shop in France), awesome, now I can listen to it, thanks! 😄