If you were captivated by the vast historical sweep and alternate American future of Julian Comstock, you'll love The Years of Rice and Salt. Robinson crafts a sprawling narrative that explores a world where Europe was decimated by the Black Death, following reincarnated characters across centuries of social, political, and technological change. The scale and ambition of the worldbuilding are equally immersive and thought-provoking.

If you appreciated the richly imagined, theocratic America of Julian Comstock, you'll find The Handmaid's Tale equally compelling. Atwood constructs a chillingly plausible dystopia where religion, power, and history intertwine, immersing you in a meticulously realized society and its consequences.

If you were drawn to Julian's struggle with ethics and identity amid a corrupt society, Mother Night offers a similarly complex hero. Vonnegut's Howard W. Campbell Jr. is a playwright and secret agent navigating shades of gray, with biting satire and moral ambiguity woven throughout.

If you enjoyed the way Julian Comstock interrogates questions of power, destiny, and belief, The Dispossessed will offer you a deeply thoughtful journey. Le Guin's novel follows physicist Shevek as he challenges the boundaries of his utopian society, raising profound questions about freedom, society, and human nature.

If you were fascinated by the political machinations and societal critique in Julian Comstock, Stand on Zanzibar delivers a densely plotted future filled with conspiracies, shifting alliances, and a richly imagined world. The novel's interwoven storylines and satirical edge make for a gripping exploration of power and society.