Marie Campbell The last time the agent had an active listing on Duotrope, the agent was affiliated with Transatlantic Agency (see other agents at this agency). Permanently Closed: This agent is no longer accepting queries (February 2019). We provide the following information as an archive. About Marie specializes in children’s writers, with a particular interest in middle-grade fiction. No picture books, please. This agent may not respond to all queries. After waiting a reasonable amount of time, assume your submission will not be accepted. Country of Publication Canada Professional Associations Member of PACLA Fiction Closed Audience:Children, Middle grades.Genres: Open to all/most Genres, including: GeneralLengths: NovelStyles:Open to all/most Styles, including: Mainstream.Topics: Open to all/most Topics.Submissions:Method: Electronic submissions. Simultaneous submissions: Simultaneous submissions are allowed. Always check guidelines for details and restrictions. If you aren't familiar with these terms, see our glossary. Go to agent's webpage Report: Correction/Update Marie Campbell Submission Statistics The statistics in this section are compiled from submission reports sent to us through our submission tracker. They are not provided by the agency or by Duotrope's admins. Information in this section is updated a few times per day. Learn more about the statistics. This listing is inactive and does not have any submission reports for the past 12 months. Your Submissions This section is available to subscribers only. Join today! Other Agents at this AgencyMarilyn BidermanSandra BishopShaun Bradley DNQEvan Brown DNQLaura CameronJane ChunJill Corcoran CLOSEDBrenna English-LoebNoelle Falcis MathJesse Finkelstein DNQCarolyn FordeDevon Halliday DNQSamantha HaywoodFiona Kenshole DNQChelene Knight CLOSEDRachel LetofskyKate MoodyAmanda OrozcoJo RamsayPieter SwinkelsAmy Tompkins DNQLéonicka Valcius DNQTrena White DNQ Before SubmittingWe cannot guarantee that the information on this page is correct. We do our best to keep up, but it isn't always possible. Duotrope listings do not imply endorsement or recommendation of the agent or agency being listed. Before submitting, you should use your own judgment to determine whether the agent/agency meets your standards.Always read the full guidelines provided by the agency/agent.Unless the agency's guidelines state otherwise, always use industry standard manuscript formatting.For agency submissions, it is standard to submit a query letter and sample instead of the full manuscript. Do this unless otherwise instructed.Be professional, patient, and persistent. DatesLast Updated: 22 May 2026 Cookie Consent: This site uses secure first-party cookies for essential, preference-setting, and statistical purposes. We do not use any marketing, advertising, or third-party cookies. Read our full cookie policy. Accept All Cookies Allow Essential Cookies Only