F&W Media-North Light Books: Explore Mixed Media Collage. The approach of Explore Mixed-Media Collage is a little different than approaches used in other mixed-media books. Yes, there are techniques- twenty-two to be exact. But then the author teaches readers how to combine techniques and which techniques to combine. And the gallery will show how they were built and to illustrate how decisions were made as to the how and which. Author: Kristen Robinson and Ruth Rae. Softcover; 128 pages. Published Year: 2014. ISBN 978-1-4403-3307-1. Made in USA.