Echo of Worlds

From the author of the bestselling The Girl With All the Gifts comes the thrilling conclusion to the spectacular Pandominion duology, an exhilarating science fiction story perfect for fans of The Space Between Worlds , The Long Earth and Children of Time . Two mighty empires are at war - and both will lose, with thousands of planets falling to the extinction event called the Scour. At least that's what the artificial intelligence known as Rupshe believes.   But somewhere in the multiverse t