If you were fascinated by Beggars in Spain's deep dive into the ethics of genetic engineering and the societal repercussions for the Sleepless, you'll be absorbed by The Dispossessed. Le Guin follows Shevek, a physicist navigating two contrasting societies—one capitalist, one anarchist—raising profound questions about freedom, responsibility, and the price of progress.

If you were drawn in by the social stratification and consequences of human modification in Beggars in Spain, you'll find Oryx and Crake gripping. Atwood's speculative tale explores a near-future ravaged by bioengineering, as Snowman recalls how his friend Crake's scientific ambitions led to a fractured world not unlike the one inhabited by Kress's Sleepless.

If Leisha's journey from outsider to self-aware leader resonated with you in Beggars in Spain, Flowers for Algernon offers another unforgettable story of transformation. Follow Charlie Gordon as he undergoes an experimental procedure to increase his intelligence, confronting societal prejudice and his own evolving identity in a powerful, character-driven narrative.

If you admired the intricate world of genetically modified humans and the societal consequences in Beggars in Spain, The Windup Girl will immerse you in a richly realized, biotech-dominated future Bangkok. Bacigalupi’s story features complex power struggles, ethical dilemmas, and vivid worldbuilding that will satisfy your craving for plausible, thought-provoking settings.

If you appreciated the morally gray choices and complex motivations of Leisha and the Sleepless in Beggars in Spain, you'll be captivated by Cara in The Space Between Worlds. As a traverser who can travel between parallel worlds only if her counterpart is dead, Cara must navigate ethical quandaries, class boundaries, and personal loyalty in a fractured, divided society.