Below are Publishers Weekly’s lists of the bestselling books from 1915 and 2015. As you might notice, in 1915 the bestselling books all belonged to the fiction genre:

 

1915 Bestsellers

1. The Turmoil, Booth Tarkington

2. A Far Country, Winston Churchill

3. Michael O’Halloran, Gene Stratton Porter

4. Polyanna Grows Up, Eleanor H. Porter

5. K, Mary Roberts Rinehart

6. Jaffrey, William J. Locke

7. Felix O’Day, F. Hopkinson Smith

8. The Harbor, Ernest Poole

9. The Lone Star Ranger, Zane Grey

10. Angela’s Business, Henry Sydnor Harrison

 

2015 Bestsellers

1. Diary of a Wimpy Kid: Old School, Jeff Kinney

2. Laugh-Out Loud Jokes for Kids, Rob Elliott

3. Lost Ocean: An Inky Adventure and Coloring Book, Johanna Basford

4. Killing Reagan: The Violent Assault That Changed a Presidency, Bill O’Reilly and Martin Duggard

5. The Pioneer Woman Cooks: Dinnertime, Ree Drummond

6. Secret Garden: An Inky Treasure Hunt and Coloring Book, Johanna Basford

7. Enchanted Forest: An Inky Quest & Coloring Book, Johanna Basford

8. First 100 Words, Roger Priddy

9. Rogue Lawyer, John Grisham

10. Guinness World Records (2016)