Created by Keith Laumer and then followed on by many others, this series was very entertaining whilst not being fine literature.
- 1986: The Compleat Bolo by Keith Laumer (includes Bolo, and Rogue Bolo)
- 1990: The Stars Must Wait by Keith Laumer
- 1993: Bolos Book I: Honor of the Regiment by S.M. Stirling, S.N. Lewitt, J. Andrew Keith, Todd Johnson, Mike Resnick, Barry N Malzberg, Christopher Stasheff, Mercedes Lackey, Larry Dickson and David Drake.
- 1994: Bolos Book II: The Unconquerable by S.M. Stirling, Shirley Meier, Christopher Stasheff, Karen Wehrstein, Todd Johnson, and William R. Forstchen
- 1995: Bolos Book III: The Triumphant by David Weber and Linda Evans
- 1997: Bolos Book IV: Last Stand by S.M. Stirling, David Weber, William R. Forstchen, Robert Greenberger, William H Keith Jr, Todd Johnson, Steve Perry, John Decamp, Mark Thies, and Linda Evans
- 2001: Bolos Book V: Old Guard by Mark Thies, John Mina, J. Steven York, Dean Wesley Smith and William H. Keith Jr
- 2002: Bolos Book VI: Cold Steel by J. Steven York, Dean Wesley Smith, and Linda Evans
- 1997: Bolo Brigade by William H. Keith Jr
- 1998: Bolo Rising by William H. Keith Jr
- 2002: Bolo Strike by William H. Keith Jr
- 2006: Bolo! by David Weber
- 2005: The Road to Damascus by John Ringo and Linda Evans
- 2007: Old Soldiers”> by David Weber
- 2010: Their Finest Hour by Keith Laumer, David Weber, Mercedes Lacky, Larry Dickson, Linda Evans, David Drake, and William H. Keith Jr.