John Thornton
The Spieler Agency
Likely Open
Updated: 9/18/2025
Should You Query This Agent?
1.
Agent Information
Agent Bio
John Thornton has been with the Spieler Agency since 1994, following a thirty-year career as an editor, publishing executive, and editorial director of the Book-of-the-Month Club.
Though he does not handle fiction projects, his nonfiction tastes are eclectic, focusing on excellent writing and high-quality subject matter.
He has worked on topics ranging from memoir and biography to natural history, social issues, and cultural history.
Research Links
2.
Submission Requirements
Fiction Requirements
Nonfiction Requirements
3.
Genres
Genres Represented
Fiction
Not Available or None Listed
Nonfiction
- Biography
- Cultural History
- History
- Memoirs
- Natural History
- Social Issues
- Spirituality
Genres Not Represented
None listed or not available
4.
About The Spieler Agency
Agency Profile
The Spieler Agency has been providing full-service literary representation to fiction and non-fiction authors for over thirty years. By focusing on a small list of select clients, we bring personal attention to bear on every phase of the publishing process, from proposal development through marketing and beyond.
Agency Links
5.
Other Agents At The Spieler Agency (2 Total)
Agent requirements, submission statuses, and other information can change without notice and are often subject to interpretation. The user should always review the agent's official website before submitting or determining whether to submit. This listing and determination of suitabilitty for querying are provided for informational purposes and does not constitute an endorsement. We're rooting for you—good luck!