Definitions for "SUBSIDIARY RIGHTS"
the variety of rights contained in a literary work which the publisher of a book is not exercising but often administers for the author. These include motion picture and television rights, paperback and book club rights, rights to make various kinds of adaptations and sequels, sound recording rights, foreign publications rights, et cetera.
sales of your book by your agent or publisher to other outlets such as movie studios, foreign publishers, book clubs, or magazines. If the publisher sells these rights, proceeds are split with the author (usually 50/50). If the agent sell these rights, the author keeps all the proceeds except the agent's commission.
Additional rights, such as foreign, audio, serial to publish a book in a different form. The American Library Association provides leadership for the development, promotion, and improvement of library and information services and the profession of librarians.