Here is a list of 50 Best Sellers Books as of my knowledge cutoff in 2021:

1. Atomic Habits by James Clear
2. The Four Agreements by Don Miguel Ruiz
3. Rich Dad Poor Dad by Robert Kiyosaki
4. The Alchemist by Paulo Coelho
5. The Subtle Art of Not Giving a F*ck by Mark Manson
6. Where the Crawdads Sing by Delia Owens
7. The 5 Love Languages by Gary Chapman
8. Becoming by Michelle Obama
9. The 7 Habits of Highly Effective People by Stephen Covey
10. To Kill a Mockingbird by Harper Lee
11. Think and Grow Rich by Napoleon Hill
12. The Power of Now by Eckhart Tolle
13. The Immortalists by Chloe Benjamin
14. The Outsiders by S. E. Hinton
15. Goodnight Moon by Margaret Wise Brown
16. The Nightingale by Kristin Hannah
17. The Body Keeps the Score by Bessel van der Kolk
18. Little Fires Everywhere by Celeste Ng
19. Man’s Search for Meaning by Viktor E. Frankl
20. Just Mercy by Bryan Stevenson
21. Educated by Tara Westover
22. The Silent Patient by Alex Michaelides
23. The Book of Gutsy Women by Hillary Rodham Clinton and Chelsea Clinton
24. The Gifts of Imperfection by Brené Brown
25. The Giver of Stars by Jojo Moyes
26. The Dutch House by Ann Patchett
27. Becoming Supernatural by Dr. Joe Dispenza
28. A Man Called Ove by Fredrik Backman
29. The Tattooist of Auschwitz by Heather Morris
30. A Promised Land by Barack Obama
31. How to Win Friends and Influence People by Dale Carnegie
32. The Girl with the Louding Voice by Abi Daré
33. The Vanishing Half by Brit Bennett
34. The Glass Castle by Jeannette Walls
35. The Midnight Library by Matt Haig
36. Harry Potter and the Philosopher’s Stone by J.K. Rowling
37. The Joy of Cooking by Irma S. Rombauer
38. Greenlights by Matthew McConaughey
39. The Guest List by Lucy Foley
40. The 48 Laws of Power by Robert Greene
41. Zen and the Art of Motorcycle Maintenance by Robert M. Pirsig
42. The Da Vinci Code by Dan Brown
43. The Secret by Rhonda Byrne
44. The Richest Man in Babylon by George S. Clason
45. The Complete Guide to Fasting by Dr. Jason Fung
46. The Hunger Games by Suzanne Collins
47. The Hitchhiker’s Guide to the Galaxy by Douglas Adams
48. The Chronicles of Narnia by C. S. Lewis
49. The Lord of the Rings by J. R. R. Tolkien
50. The Catcher in the Rye by J.D. Salinger