The company's principal activity is publishing children's fiction and non-fiction books in hardcover and paperback for schools, libraries and consumer markets. The company's books have been placed on numerous recommended lists by libraries, retail bookstores, and educational organizations. The company publishes books under the millbrook, copper beech and twenty-first century imprints. The books published under the millbrook imprint includes a mix of highly graphic, consumer oriented books. Majority of copper beech books are published for both the consumer and the library markets. Twenty-first century books titles are published primarily for the educational market at a secondary school level. Roaring brook press, the company's new fiction imprint, publishes children's picture books and young peoples novels for both the school and library and trade markets.
