S. A. Cosby

BLK Bestselling Author Performance & Historical Rankings

53 BLK Bestseller Appearances • 5 Bestselling Titles Since February 2024

Flatiron Books: Pine & Cedar (Mar 2026)

4 Months on BLK List

Highest Rank: #1 (May 2026)

Flatiron Books: Pine & Cedar (Jun 2025)

12 Months on BLK List

Highest Rank: #2 (January 2026)

Flatiron Books (Jun 2023)

13 Months on BLK List

Highest Rank: #4 (March 2024)

Flatiron Books (Apr 2022)

14 Months on BLK List

Highest Rank: #8 (July 2025)

Flatiron Books (Jul 2024)

10 Months on BLK List

Highest Rank: #9 (August 2024)