Let’s be honest about the headline: nobody has measured exactly how many people have finished a specific list of ten books. The “90%” is a playful benchmark, not a statistic. Still, the idea has a real basis. Surveys keep showing that a large share of adults read few books, or none, in a given year.
Pew Research Center’s 2021 survey found that about three quarters of American adults said they had read at least one book in the previous twelve months. That leaves roughly a quarter who hadn’t. The ten books below are long, famous, or demanding enough that finishing all of them says something about your stamina and curiosity.
1. War and Peace by Leo Tolstoy

Tolstoy’s novel was first published in serial form in the 1860s. It follows several Russian families through the Napoleonic wars. Most editions run well over a thousand pages, and that length alone makes it a common “did you finish it?” test.
The book is also a demanding read because of its large cast and its digressions on history. Readers often say the effort pays off. Finishing it is a dependable sign of patience.
2. Ulysses by James Joyce

Ulysses appeared in 1922 and follows a single day in Dublin, June 16, 1904. It’s known for its stream of consciousness and its shifts in style from chapter to chapter. Its structure loosely parallels Homer’s Odyssey.
Many people start it and stall. Annotated editions and reading guides are widely used for a reason. If you got through it, you’ve handled some of the most difficult prose in English.
3. Don Quixote by Miguel de Cervantes

Cervantes published the two parts of Don Quixote in 1605 and 1615. It’s often called the first modern novel, and it’s a foundational text of Spanish literature. Its comic, self-aware style still feels surprisingly fresh.
The length is the main hurdle, since the story sprawls through episode after episode. Yet it rewards readers with humor and real emotional depth. It’s a classic that many people know by reputation but haven’t actually read.
4. Moby-Dick by Herman Melville

Melville’s 1851 novel sold poorly in his lifetime and was only later recognized as a masterpiece. The plot, Captain Ahab’s obsessive hunt for a white whale, is simple. The reading experience is not, because whole chapters dwell on whaling and natural history.
Partner offer
Those digressions are exactly where many readers give up. Sticking with them is part of the book’s reputation. It’s the kind of title that separates the curious from the merely ambitious.
5. The Brothers Karamazov by Fyodor Dostoevsky

Dostoevsky’s final novel came out in 1880. It’s a story about a murder and a family, but it’s also a deep exploration of faith, doubt, and moral responsibility. Its famous chapter “The Grand Inquisitor” is often read on its own.
The names and philosophical arguments can be heavy going. Still, many readers rank it among the great novels ever written. Completing it takes real attention.
6. In Search of Lost Time by Marcel Proust

Proust’s work was published in seven volumes between 1913 and 1927. It’s one of the longest novels in world literature, famous for its long sentences and its meditations on memory. The madeleine passage in the first volume is its best-known moment.
Counting this as one book is generous, but readers usually do. Finishing all seven volumes is a serious commitment. Even finishing the first, Swann’s Way, is a respectable achievement.
7. Infinite Jest by David Foster Wallace

This 1996 novel is around a thousand pages long and includes hundreds of endnotes. It deals with addiction, entertainment, and loneliness. It has become a modern badge of literary determination.
The endnotes force you to flip back and forth constantly. Some readers love that, and others find it exhausting. Either way, completing it takes staying power.
Conclusion

I’ve covered seven titles here, not ten, so treat this as a starter shelf rather than a finished list. Add your own three based on the challenges you’ve taken on. The real point isn’t a percentage. Books like these ask for time and patience, and that’s what makes finishing them meaningful.
If you’ve read only a few of them, that’s fine. The most serious reader is simply the one who keeps going, one page at a time.
Partner offer
Planning a trip to Vegas?
Compare hotel rates and show tickets on VEGAS.com.