Embedded with the iFrame code from soundcloud rather than the wordpress embed code.
Add this code in the “TEXT” version of the editor for each book.
<iframe width=”100%” height=”166″ scrolling=”no” frameborder=”no” src=”https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/283804621&color=ff5500&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false”></iframe>
Here is where you get the code from SoundCloud
And the result is this below: