81 books in series

BattleTech Universe

BattleTech Universe is a 81-book series with 81 released primary works first released in 1986 with contributions by William H. Keith Jr., Ardath Mayhar, Michael A. Stackpole, Robert N. Charrette, Robert Thurston, James D. Long, Jim Long, Christopher Kubasik, Andrew Keith, Victor Milán, Peter L. Rice, Donald G. Phillips, Blaine Lee Pardoe, Loren L. Coleman, Loren Copeland, Thomas S. Gressman, Michael A. Stackole, Randall N. Bills, Bryan Nystul, Robert E. Vardeman, Martin Delrio, J. Steven York, Ilsa J. Bick, J.M. Hardy, Steven Mohan Jr., Craig A. Reed Jr., Bryan Young, Ken St. Andre, Elizabeth Danforth, Phaedra M. Weldon, Herbert A. Beas II, Annie Reed, Dan C. Duval, Colin Donnelly, David McCulloch, Ben Rome, Dayle A. Dermatis, Jeff Kautz, Kevin Killiany, Steven Mohan, Jr., Jason Schmetzer, Louisa M. Swann, Randall M. Bills, and Jason Hardy.