The Long Utopia

<p>The fourth novel in Terry Pratchett and Stephen Baxter's internationally bestselling &quot;Long Earth&quot; series, hailed as &quot;a brilliant science fiction collaboration . . . a love letter to all Pratchett fans, readers, and lovers of wonder everywhere&quot; (Io9) .</p><p>2045-2059. Human society continues to evolve on Datum Earth, its battered and weary origin planet, as the spread of humanity progresses throughout the many Earths beyond.</p><p>Lobsang, now an elderly and complex AI, suffers a breakdown, and disguised as a human attempts to live a &quot;normal&quot; life on one of the millions of Long Earth worlds. His old friend, Joshua, now in his fifties, searches for his father and discovers a heretofore unknown family history. And the super-intelligent post-humans known as &quot;the Next&quot; continue to adapt to life among &quot;lesser&quot; humans.</p><p>But an alarming new challenge looms. An alien planet has somehow become &quot;entangled&quot; with one of the Long Earth worlds and, as Lobsang and Joshua learn, its voracious denizens intend to capture, conquer, and colonize the new universe - the Long Earth - they have inadvertently discovered.</p><p>World-building, the intersection of universes, the coexistence of diverse species, and the cosmic meaning of the Long Earth itself are among the mind-expanding themes explored in this exciting new installment of Terry Pratchett and Stephen Baxter's extraordinary Long Earth series.</p>