(originally The Human Division ) is the fifth book in John Scalzi's renowned Old Man's War (La Vieja Guardia) series. This installment marks a major shift in the series' narrative style and focus, moving away from pure military sci-fi toward interplanetary diplomacy and intrigue. Plot Overview

Unlike the previous novels, La humanidad dividida was originally published as a .

The story picks up after the revelations of the previous books: the people of have finally learned the truth about the Colonial Union (CU) . For generations, the CU kept Earth isolated and ignorant of the dangerous galaxy to use its population as a source of soldiers.