Found 3 books 
[en] Armored Baen
Adams, John Joseph & Card, Orson Scott & Douglas, Ian & Campbell, Jack & Klecha, David & Buckell, Tobias S. & Valentine, Genevieve & Abnett, Dan & McDevitt, Jack & Green, Simon R. & Kirtley, David Barr & Levine, David D. & Stackpole, Michael A. & Reynolds, Alastair & Sherman, David & Huff, Tanya & Lowachee, Karin & MILLER, JOHN JACKSON & Yant, Christie & Skarstedt, Ethan & Sanderson, Brandon & Vaughn, Carrie & Wagner, Wendy N. & Wagner, Jak & Beuke, Lauren & Buettner, Robert & Wilson, Daniel H. & Williams, Sean
[de] Grenzenlos Eigenverlag