Harry Rogers and his friends found alien tech scattered across the solar system, and the government of the US wants it. Them and everyone else.

His diabolical family also managed to steal an alien spaceship and flee the system. How long until they bring trouble back?

As the revelations set the world on fire, Harry must stop shadowy enemies from enslaving humanity. If he can.

If you love adrenaline-pumping science fiction and grand adventure on a galaxy-spanning scale, grab Tree of Liberty and the rest of the Humanity Unlimited Saga today!