Katie Ferriello
Mansion Street Literary Management
Likely Closed
Updated: 5/27/2026
Should You Query This Agent?
1.
Agent Information
Agent Bio
Katie Ferriello is a literary agent at Mansion Street Literary Management and a member of the Association of American Literary Agents.
She focuses on romance, fantasy, and children’s fiction, with a particular love for fantastical worldbuilding, deeply emotive characters, and strong voices.
Katie holds a BA in English from Manhattan College and an M Ed from Fordham University, taught middle‑school English for nearly sixteen years, and worked as a part‑time real estate agent.
Born in New York, she currently lives in Utah.
Research Links
2.
Submission Requirements
Fiction Requirements
Nonfiction Requirements
3.
Genres
Genres Represented
Fiction
- Fantasy
- Middle Grade
- New Adult Fiction
- Picture Books
- Romantasy
- Romance
- Young Adult
Nonfiction
- Middle Grade
- Young Adult
Genres Not Represented
- Graphic Novels
- Early Readers
- Chapter Books
- Board Books
4.
About Mansion Street Literary Management
Agency Profile
Where beautiful books are born! MSLM is a young agency but we're eating our veggies and growing stronger every day. Stick around, we'll amaze you.
Agency Links
5.
Other Agents At Mansion Street Literary Management (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!