If you were gripped by the determined mission of the protagonists in Earth's Last Citadel struggling to avert the end of civilization, you'll find The Night Land equally compelling. Hodgson's novel follows a lone hero who braves a nightmarish wasteland to rescue a lost soul, all while the last remnants of humanity are besieged by monstrous forces—delivering a similarly high-stakes, goal-driven adventure.

If you enjoyed the interactions and teamwork among the cast in Earth's Last Citadel—where soldiers, scientists, and survivors from different walks of life must cooperate—you'll love the ragtag ensemble in The High Crusade. Here, a band of English knights and villagers commandeer an alien spacecraft, relying on their collective wits and varied skills in an adventure full of unexpected alliances and lively character dynamics.

If you were captivated by the ancient, crumbling world and the sense of epic history in Earth's Last Citadel, then The Dying Earth will take you even further. Vance crafts a sprawling, decadent future Earth filled with bizarre creatures, lost technologies, and the last flickers of civilization, offering an epic scope and a haunting sense of time’s passage.

If you loved the lush, intricately described setting of Earth's Last Citadel—with its mysterious alien fortress and echoes of lost empires—The Broken Sword will enthrall you with its vivid, mythic world. Anderson's tale plunges you into a landscape teeming with elves, trolls, and gods, each culture and locale realized with striking detail and atmosphere.

If you were drawn to the desperate struggle against extinction and the eerie, ruined future in Earth's Last Citadel, The Night Land offers a deeply atmospheric journey through a world where the sun has died, monstrous beings roam, and humanity clings to survival in a fortress against the darkness. The sense of menace and loss is palpable throughout.