Calling all Game of Thrones and Outlander fans: On Oct. 27, you can put your own spin on the worlds you know and love through both series’ official coloring books. Say you envision Cersei with blue hair, or Jamie wearing all green? The entire color spectrum is within your grasp. Check out an exclusive sneak peek of the insides of both books, by George R.R. Martin and Diana Gabaldon, to see what you’ll be working with, and pick up your copies on Oct. 27.