If you were captivated by the dense, meticulously detailed science in Blindsight, you'll be enthralled by Diaspora. Egan constructs a future where consciousness, biology, and physics intertwine at mind-bending scales, following post-human minds as they grapple with the limits of reality. The speculative science is as challenging—and rewarding—as Watts's, making this a perfect next read.

If you enjoyed the way Blindsight explores the nature of mind and reality, Anathem will draw you in with its monks-in-monasteries-of-ideas, unraveling what it means to know, perceive, and exist. You'll find yourself pondering consciousness, intelligence, and the very fabric of thought alongside Stephenson's characters, much like you did with Siri Keeton and the enigmatic aliens.

If the inscrutable, disturbing aliens in Blindsight fascinated you, The Sparrow offers another foray into the perils of first contact. Russell's Jesuit explorers encounter an alien culture as baffling—and as dangerous—as anything Watts conjured, forcing characters to confront the limits of empathy and understanding across species.

If you appreciated the dark, sometimes harrowing tone of Blindsight, Children of Time will resonate with its relentless, sometimes grim vision of evolution and civilization. As uplifted spiders and desperate humans struggle to survive, the story never shies away from the cost of progress and the brutality of nature—echoing Watts's uncompromising narrative style.

If you relished piecing together the layered mysteries and revelations in Blindsight, The Quantum Thief will delight you with its intricate, puzzle-box narrative. As Jean le Flambeur navigates a post-human solar system filled with secrets, shifting identities, and reality-bending tech, you'll find yourself immersed in a story that demands—and rewards—your full attention.