Z ThirteenZ. Thirteen is the author of the science fiction thriller/adventure novel Isthmus. Z is also an artist and graphic designer of over fifteen years, responsible for the myriad of illustrations that go along with the Isthmus project and related social mdia platforms. Z's true passion is hiking, camping, and conserving the North American wilderness, and her resume includes countless miles trekked through the most remote corners of the west, from the Tetons to Death Valley. Z's work and social media links can be found at https: //isthmus.world. Read More Read Less