TheBestseller
Observatory

Best Sellers · 2020s · 2021

September 2021

#1 bestsellers each week.

Week of September 5, 2021

2021
BILLY SUMMERS
Stephen King
Cover of BILLY SUMMERS

Hardcover Fiction

BILLY SUMMERS

Stephen King

Full list →
2021
AMERICAN MARXISM
Mark R. Levin
Cover of AMERICAN MARXISM

Hardcover Nonfiction

AMERICAN MARXISM

Mark R. Levin

Full list →

Week of September 12, 2021

2021
THE MADNESS OF CROWDS
Louise Penny
Cover of THE MADNESS OF CROWDS

Hardcover Fiction

THE MADNESS OF CROWDS

Louise Penny

Full list →
2021
AMERICAN MARXISM
Mark R. Levin
Cover of AMERICAN MARXISM

Hardcover Nonfiction

AMERICAN MARXISM

Mark R. Levin

Full list →

Week of September 19, 2021

2021
A SLOW FIRE BURNING
Paula Hawkins
Cover of A SLOW FIRE BURNING

Hardcover Fiction

A SLOW FIRE BURNING

Paula Hawkins

Full list →
2021
AMERICAN MARXISM
Mark R. Levin
Cover of AMERICAN MARXISM

Hardcover Nonfiction

AMERICAN MARXISM

Mark R. Levin

Full list →

Week of September 26, 2021

2021
BEAUTIFUL WORLD, WHERE ARE YOU
Sally Rooney
Cover of BEAUTIFUL WORLD, WHERE ARE YOU

Hardcover Fiction

BEAUTIFUL WORLD, WHERE ARE YOU

Sally Rooney

Full list →
2021
AMERICAN MARXISM
Mark R. Levin
Cover of AMERICAN MARXISM

Hardcover Nonfiction

AMERICAN MARXISM

Mark R. Levin

Full list →
← August 2021October 2021 →