Keone and Mari are amazing hip hop dancers. They're well known for their recent work in Justin Bieber's Love Yourself. You can follow them more at www.youtube.com/user/keoneANDmari.
IMO, their interactive dance ebook is an interesting concept that's worth thinking about. The idea of a digital visual novel that flawlessly narrates a story through text, video, audio and pictures - sounds really cool. Which are some other immersive digital books like this?
Hardcore Tetris