| Number of words in the novel | |
|---|---|
| Mission Earth by L. Ron Hubbard | 1200000 |
| Sironia, Texas by Madison Cooper | 1100000 |
| Clarissa by Samuel Richardson | 969000 |
| Poor Fellow My Country by Xavier Herbert | 850000 |
| Miss MacIntosh, My Darling by Marguerite Young | 700000 |
| A Suitable Boy by Vikram Seth | 593674 |
| Atlas Shrugged by Ayn Rand | 565223 |
| Remembrance Rock by Carl Sandburg | 532030 |
| Gai-Jin by James Clavell | 487700 |
Sources:
top1us.com

If you ever find yourself with way too much time on your hands and the uncontrollable desire to read incredibly lengthy literature, these are the books for you.