Historical fiction on the New York Times list tends to flatten wartime eras into recognizable emotional arcs, which can be frustrating if you're looking for the grit. I recently read a chart-topper about World War I that felt more like a costume drama than an exploration of the period's specific, collective dislocation. The trenches were a backdrop for a love triangle, not a study in industrialized horror.
It’s a packaging issue, really. These books succeed by making the past feel familiar and navigable. The chaos gets filtered through a protagonist with surprisingly modern sensibilities, and the moral questions are often tidied up by the final chapter. For a complex portrait of how institutions and ordinary people truly fracture under pressure, you typically have to step outside the bestseller list. The popular ones give you a period aesthetic, but they sand down the era's roughest, most challenging edges.
That said, they do get people reading history.