title Steam/its generation and use to publish future editions of the Steam Book. As between SpinCo and RemainCo, SpinCo will retain and own all Copyrights in and to any future editions of the Steam Book, provided, however, that content contributed by RemainCo in the future may be owned by, and the Copyright therein owned by, RemainCo, as may be set forth in a subsequent agreement related to such contributions. 7 (c) The Parties acknowledge that it is desirable for future editions of the Steam Book to present a comprehensive view of how steam is generated and used from a variety of energy sources including, inter alia, nuclear energy sources. SpinCo shall have the sole right to determine the content contained in future editions of the Steam Book, provided, however, that SpinCo will provide RemainCo with a right of first refusal to collaborate with SpinCo to provide content related to nuclear subject matter in the forty-third (43rd) edition of the Steam Book, with allocation of costs and revenues and any attribution and Copyright ownership with respect to RemainCo contributed content to be negotiated in good faith by the Parties. The foregoing right of first refusal shall cease in the event of a Change of Control of either RemainCo or SpinCo, provided, however, that the Parties will discuss the feasibility of future collaboration, specifically related to the contribution of nuclear related subject matter by RemainCo, in good faith in the event of a Change of Control. (d) RemainCo shall have, and SpinCo hereby grants to RemainCo, an unlimited, non-exclusive, perpetual, irrevocable, royalty free, worldwide right and license to use the content contained in the Steam Book, including the current edition and any past edition and any future edition to which RemainCo makes a contribution, for any purpose, including, without limitation, to reproduce,