Poseidon's children

Alastair Reynolds

Across the stars, the Akinya family receives an invitation that pulls them toward a distant system and a final, fragile chance to set right what has been set in motion. As Kanu Akinya and Goma Akinya follow separate paths from their lives on Mars and Crucible, their journeys converge with the saga’s larger mysteries—testing loyalty, identity, and the cost of survival in a universe that never stops changing. In the concluding volume of Alastair Reynolds’ acclaimed Poseidon's Children trilogy, sweeping spacefaring adventure meets intimate character stakes, blending hard-edged science with wonder and moral urgency. With Reynolds’ signature cinematic scale and intricate, idea-driven storytelling, this finale delivers a powerful resolution while leaving the cosmos itself feeling vast, alive, and consequential.