Jonathan Rosen

The Seymour Agency

My Manuscript Wish List

I'm an agent at The Seymour Agency, and looking to represent a wide variety of genres.

In Kidlit, I want YA, Graphic Novels, non-fiction, and will consider PBs and Chapter Books. (Not looking for MG at this time)

In adult, Mysteries (All types), Thrillers, RomComs, Historical Fiction, Non-Fiction

Being of Jewish-Mexican descent, I will always have an eye out for diverse voices, and in particular ones that reflect my background.

Humor is good in any genre, and do love quirky. My tastes run to extremes. I can like dark in one book, while also wanting light and hopeful in another. I really do like a wide variety.


Fun facts about me:

I have lived in several different countries, and moved around a lot as a kid. I co-host a weekly YouTube show where we interview many different celebrities.

Submission Guidelines

Submissions should be emailed to

Submissions should be emailed to

Please submit (in the body of the email) your query letter along with a brief synopsis and the first five pages of your manuscript. Do not include attachments unless requested to do so.

Subject line: Query + title + genre


Guidelines & Details

Vital Info

Fiction: Action/Adventure, Children's, Commercial, Crime, Fantasy, General, Graphic Novel, Historical, Horror, Humor, LGBTQ, Mystery, New Adult, Picture Books, Romance, Science Fiction, Thriller, Women’s Fiction, Young Adult
Non-Fiction: Biography, Cookbooks, Crafts/DIY, History, Humor, Illustrated, Journalism, LGBTQ, Memoir, Pop Culture, Science, Sports, Travel, True Crime

Favorite sub-genres:
I'd like the next...

I would love to see humorous crime or caper stories. Think Snatch, and Lock, Stock and Two Smoking Barrels.

RomCom - can be something fun with relationship-building like When Harry Met Sally, or even outlandish like There's Something About Mary. Just make me laugh.

Sci/Fi & Horror - Am wide open

My favorites include...


Books: Hitchhiker's Guide to the Galaxy, Chiefs, Fatherland, High Fidelity, And Then There Were None Non-Fiction: The Bad Guys Won

Kidlit: Narnia Series, Harry Potter series, You Wouldn't Want to Be series,

Films: Shaun of the Dead, Snatch, Midnight Run, Back to the Future, Star Wars (original trilogy), Guardians of the Galaxy, The Big Lebowski, Pirates of the Caribbean series.

Comics: Calvin and Hobbes, and Marvel comics, in particular, Spider-Man

TV Shows: Arrested Development, Bored to Death, Inbetweeners, Homicide: Life on the Street, Voyagers, The X-Files


My Upcoming Events:

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