Steven Pressfield's 1998 historical fiction novel Gates of Fire chronicles the Spartans' heroic last stand against the Persian army at Thermopylae in 480 B.C.. The narrative focuses on the brutal training and warrior ethos, told from the perspective of Xeones, a survivor of the conflict. Key themes include valor and the physical and spiritual endurance of soldiers. You can explore summaries and analyses of this novel at LitCharts or read about it on Wikipedia .