William Callahan
OpenInkWell Management·US
Agent profile summary
- Represents
- Looking for
- Query Letter, First 1-2 Chapters
- How to submit
Recently verified·Last verified: 13 May 2026
William Callahan is a literary agent at InkWell Management based in US. Currently open to submissions, with responses usually within two months if interested. Submissions via Email. For current guidelines, check the agent's own submission page linked below.
Response Time
Usually responds within two months if interested
Notes
Agent and editor at InkWell Management.
Other agents at InkWell Management
InkWell Management
Open
RepresentsScience fiction, fantasy, speculative literature
Looking forScience fiction, fantasy, and speculative literature that falls anywhere along the commercial to literary spectrum. Books that delve into the intricacies of language or explore forgotten mythologies.
How to submitQueries should be emailed to submissions@inkwellmanagement.com. In the body of your email, please include a query letter and a short writing sample (1-2 chapters). You may specify the name of the agent to whom you are submitting in the subject line.
Recently verified
InkWell Management
Closed
RepresentsAdult fiction, young reader fiction
Looking forHigh-quality fiction with a strong sense of plot in both adult and young reader spaces. A novel that hits big on an emotional level or, if nonfiction, changes the way he thinks about the world.
How to submitQueries should be emailed to submissions@inkwellmanagement.com. In the body of your email, please include a query letter and a short writing sample (1-2 chapters). You may specify the name of the agent to whom you are submitting in the subject line.
Recently verified
InkWell Management
Open
RepresentsLiterary fiction, cultural history
Looking forLiterary fiction and works of cultural history.
How to submitQueries should be emailed to submissions@inkwellmanagement.com. In the body of your email, please include a query letter and a short writing sample (1-2 chapters). You may specify the name of the agent to whom you are submitting in the subject line.
Recently verified
InkWell Management
Open
RepresentsYoung adult, fantasy, horror, thriller, romance, graphic novels
Looking forYoung adult, fantasy, light horror, thriller, the occasional rom-com, graphic novels, and almost anything with a strong female lead.
How to submitQueries should be emailed to submissions@inkwellmanagement.com. In the body of your email, please include a query letter and a short writing sample (1-2 chapters). You may specify the name of the agent to whom you are submitting in the subject line.
Recently verified
InkWell Management
Open
RepresentsAdult fiction, children's fiction, nonfiction
Looking forA wide range of fiction from around the world for both adults and children as well as some non-fiction on subjects that intrigue her. Writing that is memorable and enduring. Particularly loves working with debut authors.
How to submitQueries should be emailed to submissions@inkwellmanagement.com. In the body of your email, please include a query letter and a short writing sample (1-2 chapters). You may specify the name of the agent to whom you are submitting in the subject line.
Recently verified
This profile was last verified on 13 May 2026. PairPi tracks UK literary agents' submission guidelines against their own websites. If you spot something wrong, please email hello@pairpi.com.