Found 2 books 
[en] One Horn to Rule Them All · A Purple Unicorn Anthology WordFire Press
Mangum, Lisa & Luna, Kristin & Black, Colette & Ryan, Mark & Martinez, Gama Ray & Barra, Nathan & McCarter, Robert J. & Dodge, Nathan & Boston, Ezekiel James & Berger, Lou J. & Eder, Scott & Beagle, Peter S. & Pletsch, Mary & McCaffrey, Todd & Nye, Jody Lynn & Payne, John D. & Gonzalez, Jeanette & Dodge, Sharon & Allen, Quincy J. & Grey, Megan & Owen, James A.
[en] To the Stars Nathan Dodge and Sharon Dodge