Mary Cummings

FULL Member


After thirteen years as an agent with Betsy Amster Literary Enterprises representing picture books, chapter books, novels, and other book projects for kids and teens, in spring 2021 I opened my own agency: Great River Literary.    Houses I’ve sold book projects to include, among others: Candlewick; Chronicle; Little, Brown; Abrams; Knopf; Walker; Henry Holt; HarperCollins; Imprint; Running Press; Philomel; Nancy Paulsen; Holiday House; F,S,G; Viking; Random House; Balzer and Bray; WorthyKids; Feiwel & Friends; and Paula Wiseman Books/Simon & SchusterCheck out articles on my website to learn about my background; how I work with clients; what kinds of manuscripts excite me; some mistakes I see (every day!) in query letters and in writing; and more. 

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