Ethos: Horizon Book 4

Generations after Everroots became something closer to a civilization than a company, humanity has scattered itself across Mercury, Titan, Mars, and the ice beneath Europa - carrying its oldest argument with it: how much should one generation sacrifice for the next one it will never meet?Liam Jennings has spent a career watching a station's instruments for signs of something it might be wrong to find. George Clark and his wife Brigitte keep a garden alive on a moon that was never meant to grow anything. Ari Clark is young, brilliant, and already more feared than understood. And Mateo Clark - the institution's most disciplined voice - is about to learn that some decisions don't stay contained to the rooms where they're made.When a signal arrives that none of Continuity's models can explain, every colony has to decide, separately and together, what it actually owes the people who come after - and what it's willing to risk to find out if anyone, or anything, is listening back.Ethos is the largest, most ambitious book in The Horizon Series - a multi-world story that never loses sight of the kitchens, gardens, and quiet rooms where its biggest decisions actually get made.