Harper Lee, Marie Kondo, and Jeff Kinney topped the print bestseller lists in 2015 for adult fiction, adult nonfiction, and juvenile books, respectively. Here are the 20 bestselling books of the year in each of those categories.

Nielsen BookScan Adult Fiction Top 20

1. Go Set a Watchman
by Harper Lee (Harper)
Unit Sales: 1,599,189
2. Grey
by E.L. James (Vintage)
Unit Sales: 1,406,868
3. The Girl on the Train
by Paula Hawkins (Riverhead)
Unit Sales: 1,345,721
4. All the Light We Cannot See
by Anthony Doerr (Scribner)
Unit Sales: 1,013,616
5. The Martian (trade paper)
by Andy Weir (Broadway)
Unit Sales: 673,041
6. Rogue Lawyer
by John Grisham (Doubleday)
Unit Sales: 576,362
7. To Kill a Mockingbird
by Harper Lee (Grand Central)
Unit Sales: 563,293
8. See Me
by Nicholas Sparks (Grand Central)
Unit Sales: 445,531
9. Gray Mountain
by John Grisham (Dell)
Unit Sales: 365,392
10. The Nightingale
by Kristin Hannah (St. Martin’s)
Unit Sales: 331,384
11. The Bazaar of Bad Dreams
by Stephen King (Scribner)
Unit Sales: 322,298
12. The Girl in the Spider’s Web
by David Lagercrantz (Knopf)
Unit Sales: 305,929
13. The Great Gatsby
by F. Scott Fitzgerald (Scribner)
Unit Sales: 296,641
14. The Alchemist
by Paulo Coelho (HarperOne)
Unit Sales: 285,264
15. Orphan Train
by Christina Baker Kline (Morrow)
Unit Sales: 280,379
16. Finders Keepers
by Stephen King (Scribner)
Unit Sales: 261,589
17. The Husband’s Secret
by Liane Moriarty (Berkley)
Unit Sales: 253,512
18. Cross Justice
by James Patterson (Little, Brown)
Unit Sales: 250,996
19. Fahrenheit 451
by Ray Bradbury (Simon & Schuster)
Unit Sales: 247,900
20. The Martian (mass market movie tie-in)
by Andy Weir (Broadway)
Unit Sales: 246,118

Nielsen BookScan Adult Nonfiction Top 20

1. The Life-Changing Magic of Tidying Up
by Marie Kondo (Ten Speed)
Unit Sales: 1,143,422
2. Killing Reagan
by O’Reilly/Dugard (Holt)
Unit Sales: 851,980
3. American Sniper (trade paperback movie tie-in)
by Chris Kyle (Morrow)
Unit Sales: 851,457
4. The Pioneer Woman Cooks: Dinnertime
by Ree Drummond (Morrow)
Unit Sales: 569,925
5. Jesus Calling
by Sarah Young (Thomas Nelson)
Unit Sales: 545,217
6. The Boys in the Boat
by Daniel James Brown (Penguin)
Unit Sales: 532,082
7. Strengths Finder 2.0
by Tom Rath (Gallup)
Unit Sales: 528,506
8. Lost Ocean
by Johanna Basford (Penguin)
Unit Sales: 492,684
9. The Wright Brothers
by David McCullough (Simon & Schuster)
Unit Sales: 443,801
10. American Sniper (mass market movie tie-in)
by Chris Kyle (Harper)
Unit Sales: 354,536
11. The 5 Love Languages
by Gary Chapman (Northfield)
Unit Sales: 349,467
12. Guinness World Records
by Guinness World Records (Guinness World Records)
Unit Sales: 344,171
13. Unbroken
by Laura Hillenbrand (Random House)
Unit Sales: 341,446
14. Dead Wake
by Erik Larson (Crown)
Unit Sales: 333,989
15. Between the World and Me
by Ta-Nehisi Coates (Random/Spiegel & Grau)
Unit Sales: 319,352
16. Animal Kingdom
by Millie Marotta (Lark)
Unit Sales: 318,987
17. Being Mortal
by Atul Gawande (Metropolitan)
Unit Sales: 317,503
18. The 20/20 Diet
by Phil McGraw (Bird Street)
Unit Sales: 311,362
19. Creative Haven Creative Cats Coloring Book
by Marjorie Sarnat (Dover)
Unit Sales: 300,507
20. Mindset
by Carol Dweck (Ballantine)
Unit Sales: 297,407

Nielsen BookScan Juvenile Top 20

1. Old School (Diary of a Wimpy Kid #10)
by Jeff Kinney (Abrams/Amulet)
Unit Sales: 1,483,855
2. Paper Towns
by John Green (Penguin/Speak)
Unit Sales: 919,478
3. Secret Garden
by Johanna Basford (Laurence King)
Unit Sales: 764,808
4. First 100 Words
by Roger Priddy (Priddy)
Unit Sales: 685,182
5. Enchanted Forest
by Johanna Basford (Laurence King)
Unit Sales: 674,705
6. The Long Haul (Diary of a Wimpy Kid #9)
by Jeff Kinney (Abrams/Amulet)
Unit Sales: 554,250
7. Oh, the Places You’ll Go!
by Dr.Seuss (Random House)
Unit Sales: 520,817
8. The Isle of the Lost (Descendants)
by Melissa de la Cruz (Disney-Hyperion)
Unit Sales: 492,939
9. Laugh-Out-Loud Jokes for Kids
by Rob Elliott (Fleming H. Revell)
Unit Sales: 482,580
10. What Pet Should I Get?
by Dr. Seuss (Random House)
Unit Sales: 464,409
11. Green Eggs and Ham
by Dr. Seuss (Random House)
Unit Sales: 441,964
12. The Very Hungry Caterpillar
by Eric Carle (Philomel)
Unit Sales: 406,642
13. One Fish Two Fish Red Fish Blue Fish
by Dr. Seuss (Random House)
Unit Sales: 401,020
14. Goodnight Moon
by Brown/Hurd (HarperFestival)
Unit Sales: 398,319
15. Brown Bear, Brown Bear, What Do You See?
by Martin/Carle (Holt)
Unit Sales: 391,863
16. Love You Forever
by Robert N. Munsch (Firefly)
Unit Sales: 387,202
17. Wonder
by R.J. Palacio (Knopf)
Unit Sales: 384,871
18. Miss Peregrine’s Home for Peculiar Children
by Ransom Riggs (Quirk)
Unit Sales: 368,816
19. The Day the Crayons Quit
by Daywalt/Jeffers (Philomel)
Unit Sales: 368,783
20. Looking for Alaska
by John Green (Penguin/Speak)
Unit Sales: 357,120