Book DNA: Most authors can't reach their fans, and how we're trying to solve that.

Find the right readers. Build real fans. Launch every book with momentum.

Book DNA: Here's the app taking shape: TBR, reading log, and more!

Helping authors sell more books and build new fans.

Book DNA: Give authors control over their readership. How do you do that

Helping authors sell more books and build new fans.

Shepherd December: Shepherd.com is becoming BookDNA.com (same site, new name)

What are we building in 2026?

📚 See what readers who loved your favorite book also loved to read in 2025 (plus, how it helps authors).

How does it help you as an author?