Allies and Aliens(1995)
(A book in the Allies and Aliens series)
An omnibus of novels by Roger MacBride Allen
Newly trained League of Planets lieutenants, the Coopers find their first mission interrupted by an invasion on the planet New Finland and must successfully avert destruction in order to pave the way for a counterstrike.
Used availability for Roger MacBride Allen's Allies and Aliens
May 1995 : USA Mass Market Paperback