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Belcastro Agency·US

Agent profile summary

Represents
picture booksmiddle gradeyoung adultgraphic novelscontemporary fictionchristian fiction
+8 morefamily sagahistorical fictionliterary fictionromancewomen's fictionhumorcommercial fictionmulticultural fiction
Looking for
Query Letter
How to submit
QueryManager
Recently verified·Last verified: 15 May 2026

Syrone Harvey is a literary agent at Belcastro Agency based in US. Their list focuses on genres including picture books, middle grade, and young adult. Currently open to submissions. Submissions via QueryManager. For current guidelines, check the agent's own submission page linked below.

Age Categories

Adult, Young Adult, Middle Grade, Picture Books

Other agents at Belcastro Agency

Belcastro Agency

Open
RepresentsFantasy, science fiction, horror, romantasy, young adult, middle grade, graphic novels, romance
Looking forMorgan is focused on marginalized voices and is open to adult and YA fantasy, science fiction, horror, romantasy, YA paranormal or mystery, middle grade fantasy, science fiction and horror, and graphic novels, especially fantasy, science fiction, horror, romance, and manga-inspired work.
How to submitSubmit through Morgan's official QueryManager route with a query including metadata, pitch or blurb, short bio, synopsis, content warnings if applicable, and first chapter or proposal. Sample artwork may be uploaded where relevant.
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Belcastro Agency

Open
RepresentsYoung adult, horror, science fiction, fantasy, romance, women's fiction, commercial fiction, book club fiction, speculative fiction, thriller, nonfiction
Looking forAmy wants fiction with messy characters, unreliable narrators, diverse casts, social commentary, and big twists. She is interested in YA horror, grounded science fiction/fantasy and gothic; adult and new-adult romance, women's fiction, horror/speculative fiction, thrillers, and selected platform-driven nonfiction.
How to submitSubmit through Amy's official QueryManager route with a query letter, synopsis, one-sentence pitch, and first 10 pages pasted into the form. Review her current exclusions before querying.
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Belcastro Agency

Closed
RepresentsHistorical fiction, horror, contemporary fiction, fantasy, suspense, thriller, graphic novels
Looking forKaitlyn is interested in historical fiction, horror, contemporary fiction, fantasy, suspense/thriller, and graphic novels across age groups, with emphasis on non-mainstream history, psychological or haunting horror, LGBTQ+ storylines, mental health angles, MG/YA and crossover fantasy, and commercial MG graphic novels.
How to submitKaitlyn is closed to queries. When open, submit through her official QueryManager route. Belcastro asks writers to read each agent's wishlist and submit to one agent at a time.
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Belcastro Agency

Open
RepresentsNonfiction, young adult, fantasy, science fiction, action adventure, contemporary, magical realism, mystery, thriller, horror
Looking forSharon is seeking nonfiction and young adult, including YA fantasy, science fiction, action/adventure, contemporary, magical realism, mystery/thriller, and horror.
How to submitSubmit through Sharon's official QueryManager route. Belcastro asks writers to read each agent's wishlist, submit to one agent at a time, and use the Submit a Story button to reach the query form.
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Belcastro Agency

Closed
RepresentsPoetry, picture books, graphic novels, contemporary fiction, fantasy, science fiction, romance, young adult
Looking forTasneem is looking across categories for work from marginalized authors, especially under the BIPOC umbrella. Interests include genre-inflected poetry, picture books, graphic novels, contemporary MG/YA/adult, fantasy, YA/adult science fiction, and YA/adult romance.
How to submitTasneem is currently closed to queries. The official Belcastro page links her QueryManager route, the linked form says she is closed until further notice, with a separate BIPOC-exclusive form noted there.
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Belcastro Agency

Open
RepresentsMystery, thriller, suspense, historical fiction, young adult
Looking forElla Marie is looking for adult mysteries, thrillers, suspense, historical fiction, and YA thriller, suspense, mystery, detective fiction, and historical fiction. She is looking for diverse authors and fast-paced stories.
How to submitSubmit through Ella Marie's official QueryManager route. Belcastro asks writers to read each agent's wishlist, submit to one agent at a time, and use the Submit a Story button to reach the query form.
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Agents with overlapping taste

Triada US Literary Agency

Open
RepresentsChick lit, commercial, contemporary, cozy fantasy, cozy romantasy, crime, detective, police, family saga, fantasy, fantasy: magical realism, fantasy: urban, graphic novel, historical, horror, LGBTQ+, literary, middle grade, military, espionage, multicultural, mystery, new adult, offbeat, quirky, romance, romantasy, suspense, thriller, upmarket, women's fiction, young adult
Looking forQuery Letter, Synopsis, One Paragraph Pitch, Comparable Books, First 10 Pages
How to submitSubmit through Query Manager. Unsolicited queries sent to his email address will be deleted unread.
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Triangle House Literary

Open
RepresentsNarrative nonfiction, speculative fiction, upmarket fiction, literary fiction, children's books, commercial fiction, family saga, fantasy, graphic novels, historical fiction, humor, LGBTQ+, literary middle grade, literary young adult, romance, science fiction, short stories, food, history, journalism, memoir, nature, pop culture, psychology, science, technology
Looking forRenée is seeking narrative nonfiction, adult speculative, upmarket, and literary fiction, and children's books. She is interested in work centering POC and LGBTQIA+ voices and is particularly drawn to Black writers across the African diaspora. Her current QueryManager genres span adult fiction, children's categories, and nonfiction including arts, culture, food, history, journalism, memoir, nature, pop culture, psychology, science, technology, and travel.
How to submitSubmit through Renée Jarvis's QueryManager route. The current form asks for a query letter with bio, synopsis, AI disclosure, and the first 30 pages for fiction or a full proposal for nonfiction.
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Lighthouse Literary

Closed
RepresentsPicture books, middle grade, young adult, adult fiction, adult nonfiction, christian fiction, new adult, women's fiction, book club fiction, contemporary fiction, historical fiction, sweet romance, historical nonfiction, memoir
Looking forMara Cobb is an agent at Lighthouse Literary. She is drawn to strong and feisty protagonists, antagonists with redemptive arcs, curveball plots, surprising twists, and books that are impossible to put down. Her wishlist includes MG with spunky characters navigating life changes with joy and humor; YA with believable, authentic characters, including dystopian, contemporary, and romance; adult Christian fiction, new adult, women's fiction, book club fiction, contemporary, historical, and sweet romance; and adult nonfiction including historical nonfiction, relevant topics for today's readers, and occasional memoir with a strong author platform.
How to submitMara Cobb uses QueryTracker or QueryManager, but the official linked form currently says she is not accepting queries and expects to open again in spring 2026.
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Andrea Brown Literary Agency

Open
RepresentsLiterary fiction, commercial fiction, thriller, horror, science fiction, fantasy, speculative fiction, historical fiction, picture books, middle grade, young adult, romance, mystery
Looking forLaura would love to find fantasy, spec fiction, alternate history, and horror with fresh, original, unexpected reimaginings. She seeks retellings that reinvent underlying traditions, gothic suspense or thrillers, romantasy that is more romantic fantasy than fantasy romance, high concept rom-coms, and sexy historical romance. She also wants thrillers and mysteries with dynamic, unexpected characters and rich psychological insights.
How to submitClick on the QueryManager link in the agent's bio, follow the prompts, and complete all required fields including a short query letter with a description of your work, previous publishing credentials, a short author bio, contact information, and for novels: first 10 pages of text.
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Harvey Klinger Literary Agency

Open
RepresentsLiterary fiction, commercial fiction, upmarket women's fiction, romance, thriller, mystery, fantasy, science fiction, historical fiction, young adult fiction, middle grade fiction, memoir, narrative non-fiction, popular science, parenting, pop culture, humor, how-to, self-help, lifestyle, travel, interior design, crafts, business
Looking forAndrea represents a wide range of fiction and nonfiction, including projects for adult, young adult and middle grade audiences. She actively seeks literary and commercial fiction, upmarket women's fiction, romance, thrillers, mystery, fantasy, science fiction, and historical fiction. In nonfiction, she seeks memoir, narrative nonfiction, popular science, parenting, pop culture, humor, how-to, self-help, lifestyle, travel, interior design, crafts, and business.
How to submitSubmit via email with a short synopsis of your work, author bio, and the first five pages of your manuscript pasted into the body of the email. No attachments.
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Transatlantic Agency

Open
RepresentsLiterary fiction, upmarket fiction, commercial fiction, contemporary fiction, historical fiction, fantasy, science fiction, speculative fiction, horror, middle grade, young adult, graphic novels, graphic nonfiction, memoir, narrative nonfiction, history, investigative journalism, nature, science, food, travel, pop culture, cultural criticism
Looking forJane Chun is interested in stories centering marginalized communities and prose that is cinematic and atmospheric with good rhythm. In fiction and nonfiction she is drawn to compelling, fresh voices with intimacy, rich inner worlds, and emotional depth. She is interested in literary, upmarket, and commercial fiction across adult, middle grade, and young adult; select nonfiction; and graphic novels or graphic nonfiction. In fiction she is open to contemporary, historical, fantasy, science fiction, speculative, and horror. In nonfiction she is looking for memoir, narrative nonfiction, history, investigative journalism, books about nature, climate and science, and books about food, travel, pop culture, and cultural criticism.
How to submitSubmit to Jane Chun through her official QueryManager form. If QueryManager is not working, email queryjane@transatlanticagency.com, but do not submit through both methods. For email queries, include the book title, category or genre, word count or estimated page count for graphic work, and author bio. Fiction should include a brief introduction, synopsis, and first ten pages in the body of the email. Nonfiction should include a brief introduction, full outline, and first ten pages of the manuscript in the body of the email. Graphic novels or nonfiction should include a brief introduction, synopsis or outline, and at least five illustrated pages with text, or ten script pages and sample art if five pages are not available.
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This profile was last verified on 15 May 2026. PairPi tracks UK literary agents' submission guidelines against their own websites. If you spot something wrong, please email hello@pairpi.com.