We like to imagine that civilization only ever moves in one direction—forward, toward more knowledge, more schooling, more books, and more people able to read them. But as I have come to learn, history is not nearly so tidy.
When the Western Roman Empire collapsed in the fifth century, its libraries did not burst into flame. People did not wake one morning having forgotten how to read. What happened was less dramatic than that, and far more instructive. The scaffolding that had held up widespread literacy simply began to come apart. Rome had been an empire built on the written word. Its laws, contracts, tax rolls, military orders, and endless correspondence moved through an administrative machine that stretched across three continents, and that machine ran on people who could read and write. In the cities and among the prosperous, schooling was common enough. Books were copied, traded, and treasured.
Then it all broke down.
Cities shrank, trade thinned, and the schools that had trained clerks and officials closed their doors or drifted out of reach. As the demand for literate administrators fell away, so did the reasons to become one. Books—each of them copied by hand, each of them dear—grew rarer with every passing generation. Reading did not disappear. There were just less reasons to read. And that small difference is the whole of the story.
Almost everything that reached us from the ancient world reached us because someone, somewhere, decided it was worth saving. More and more, that someone lived behind monastery walls.
Medieval monks bent over their desks and copied manuscripts by hand. Scripture and theology, yes, but also fragments of the classical world: its poetry, its philosophy, its histories, its science. In sixth-century Italy, a Roman statesman named Cassiodorus traded public life for the cloister, founded a monastery, and urged his monks to treat the copying and keeping of texts as sacred labor. For hundreds of years afterward, the scriptoria carried on that work, one page at a time.
We owe those men a debt we can scarcely measure. And yet consider what had shifted. Knowledge that once flowed through an entire society now pooled in the hands of a very few—those with the learning, the leisure, and the access to read it. The books survived. Far fewer people were left to open them. That, to me, is the truer lesson of the centuries we so casually call dark.
History seldom vanishes because someone sets out to destroy it. Far more often, it slips away through simple neglect. A generation stops teaching something. A language falls out of everyday use. A manuscript goes uncopied for want of a hand to copy it. A library closes its doors. A skill once thought essential comes to seem quaint, then needless, then unknown. And in time, people forget that they have ever forgotten.
"I cannot live without books." — Thomas Jefferson to John Adams, June 10, 1815
This is what unsettles me about our own moment. We hold more of the written word in our palms than any people who ever lived. The whole of the Library of Alexandria would fit comfortably inside the phone in your pocket, with room to spare. But access and appetite are not the same thing. We scroll and we skim; we watch and we half-listen; and more and more, we ask a machine to digest a thing for us so that we need not read it ourselves.
None of this means the lights are about to go out again. Still, history has taught me to notice when people stop paying attention—and hardly seem to notice the loss.
A book asks something of us that a TikTok video never will. It asks us to follow a thought all the way to its end. To hold in mind what happened fifty pages ago. To meet a strange word or an unfamiliar idea and sit with it rather than swipe it aside. And fiction asks the hardest and most wonderful thing of all: that we step out of our own head and into someone else's.
For those of us who love the past, this is everything. When I settle into the nineteenth century for my own writing, I am after far more than an accounting of what people did. I want to know how they thought, what worried them on a Sunday morning, what they argued over at the supper table, what they couldn't bring themselves to say aloud. Their letters and diaries, their newspapers and sermons, their novels and their speeches hand me a living world that no timeline of dates and battles ever could.
Reading is how we come by context. And without context, the past flattens into something crude—heroes and villains, slogans and memes, an entire human life weighed on the scale of our own assumptions.
There is, thank goodness, a hopeful ending to this story. The light never truly went out. It only guttered and dimmed. People kept the books. They built schools and, in time, universities. Scholars hunted down texts long thought lost. Paper made its slow way across Europe. And then, in the fifteenth century, a goldsmith named Gutenberg set movable type into a press and changed the economics of knowledge forever.
Books multiplied. Ideas began to travel farther and faster than the people who first thought them. Literacy spread beyond the cloister and the court until, at last, ordinary men and women could hold in their hands the gathered thoughts of strangers they would never meet. That revolution built the world we inherited.
Which brings me to a question I cannot quite shake. For century upon century, human beings labored to make books cheaper, easier, and more available, so that more of us might read them. We may be the first people in history to enjoy nearly unlimited access to the written word—and to be choosing, of our own free will, to read less of it.
Perhaps the real lesson of the Dark Ages was never that books can disappear. It is that a civilization endures only so long as there are people who still believe they are worth opening.