In the far future, humanity has left Earth to create a glorious empire. Now this interstellar network of worlds faces disaster - but can three individuals save their people?The empire''s outposts are utterly dependent on each other for resources, a safeguard against war, and a way its rulers can exert control. This relies on extra-dimensional pathways between the stars, connecting worlds. But 'The Flow' is changing course, which could plunge every colony into fatal isolation.A scientist will ris