If you loved the intricate time-travel mechanics and the way Louise Baltimore navigates the dangerous ripple effects of her missions in Millennium, you'll be riveted by The Anubis Gates. Tim Powers masterfully weaves a story of time jumps, identity swaps, and historical intrigue as Professor Brendan Doyle is pulled into 19th-century London, where every decision has unforeseen, often perilous consequences.

If Varley's blend of future technology and real scientific concepts drew you in, The Forever War will impress you with its rigorous take on relativistic space travel and the social consequences of time dilation. William Mandella's experience as a soldier fighting across centuries echoes both the speculative depth and emotional resonance you found in Millennium.

If you appreciated the relentless drive and tension of Louise's mission in Millennium, you'll love the high-octane chase in The Demolished Man, where Ben Reich embarks on an audacious quest to commit the perfect crime in a society where telepathy makes murder nearly impossible. The novel's propulsive plot and clever twists will keep you hooked from start to finish.

If you found yourself fascinated by the ethical quandaries and imperfect choices of Varley's protagonists, Kindred offers a powerful exploration of morality under pressure. Dana's involuntary journeys between 1970s California and antebellum Maryland force her into harrowing decisions about survival, complicity, and identity, echoing the difficult choices faced by Louise and her team.

If the philosophical undercurrents about fate, free will, and civilization in Millennium intrigued you, The Dispossessed will captivate you with its profound meditation on time, society, and the ethics of technological progress. Follow Shevek as he challenges the boundaries of his world in a quest to reconcile two very different societies, raising questions as deep and provocative as those in Varley's work.