New Books In Science Fiction

Gareth L. Powell’s Descendant Machine (Titan Books, 2023) is set about 200 years in the future, and yet the recent explosion in A.I. technology suggests Powell’s imagined future—in which the minds of humans and A.I.s are symbiotically enmeshed—is just around the corner. The Bristol author’s new novel centers around a mysterious machine called the Grand Mechanism, an impenetrable black sphere, which, about two thousand years ago, replaced a star in a binary system. The system is home to a humanoid, multi-armed species known as the Jzat, who are divided among those who want to crack open the Grand Mechanism, believing it contains a wormhole to connect them with a more advanced Jzat civilization, and those who want to leave the mechanism alone, fearing it contains a black hole or other existential danger. “I got a bit satirical with the way the faction is appealing to nationalism to get the power they need to open this thing by promising sunlit uplands and making Jzat great again,” Powell says. “It's like any sc