Endgame. Sulan, #7

The last battle will be won or lost in Cyberspace."Killer ending to the beloved Sulan series! Camille Picott has outdone herself with the seventh book in this excellent YA series." - Goodreads Reviewer America has fallen. Millions have been murdered by a modified strain of the pneumonic plague. A megalomaniac has taken over the White House and proclaimed himself king. In a last desperate offensive, Sulan and her friends set plans in motion for a risky cyberspace attack.
To carry out their mission, they will design a new technology as dangerous as the enemy they face. If they fail in their mission, their lives-and the fate of America-will be forfeit. The future is perilous and stripped of hope in this last installment of the Sulan series. See how it all ends in this action-packed finale!