Twenty years ago the New London Group redefined literacy in A Pedagogy of Multiliteracies. Today, this new book Remixing Multiliteracies: Theory and Practice from New London to New Times, the original members of the New London Group share their current thinking on multiliteracies as well as their current research. In a second section of the book, scholars who have taken up the multiliteracies mantle share their work in this area. And of course, there's the final chapter wherein myself and several of my doctoral student friends consider the future directions of multiliteracies research.
You can buy the book here: https://www.amazon.com/Remixing-Multiliteracies-Practice-Language-Literacy/dp/0807758647/ref=sr_1_1?ie=UTF8&qid=1517879512&sr=8-1&keywords=remixing+multiliteracies