If you loved how the Cloud Ark survives the Hard Rain through relentless engineering — from Dinah MacQuarie’s on-the-fly robotics fixes to the Arklets’ orbital choreography — you’ll eat up The Martian. Watching Mark Watney balance life-support math, jury‑rig comms, and hack botany the way Ivy Xiao’s team squeezes miracles out of failing systems scratches the same “make it work” itch with crisp, believable science.

Part Three of Seveneves — the 5,000‑year leap, the engineered lineages of the Seven, and first contact with the Pingers — is echoed in the cosmic timescales and bioengineering of Children of Time. If the long view of human survival after the Hard Rain and the deliberate shaping of descendant populations fascinated you, this tale of an ark ship and an uplifted civilization evolving across ages will hit the same epic, idea‑rich highs.

If the tin‑can tension of life aboard the Cloud Ark — EVA scrambles, dwindling resources, and one bad calculation from catastrophe — kept you turning pages, Project Hail Mary delivers that same adrenaline. Like the Ark’s kludged fixes during orbital crises, Ryland Grace survives through clever physics, chemistry hacks, and high‑stakes problem‑solving that feel as tactile and urgent as the Arklets’ fight to stay alive.

If you connected with the way Stephenson juggles Dinah, Ivy, Tekla, and the rest — blending technical challenges with leadership struggles and factional rifts — Red Mars offers a similar chorus of voices. Watching the First Hundred debate terraforming ethics, manage resource crises, and navigate power plays mirrors the Cloud Ark’s mix of engineering grit and political fault lines after the Council of the Seven Eves.

If the granular worldbuilding of Seveneves hooked you — from the Arklets’ orbital habitats to the divergent post‑Eve societies and their tech — Revelation Space goes deep on culture, hardware, and cosmic hazards. Its Conjoiners, Ultras, and archeological mysteries echo the detailed systems thinking and big‑idea repercussions that made the Cloud Ark, the Red/Blue schisms, and the post‑Hard Rain societies so compelling.