Cobra

This long running series is timeless and utterly out of this world. The military science fiction series completely engrosses the readers and takes on a journey to all the different worlds featured in the series. The books are based in a time where the Trofts a formerly docile civilization are making attempts towards take over earth. Earth in a desperate attempt to save themselves from being conquered by the Trofts like many others before them, take drastic measures to ensure their independence.