The deal follows the launch of Twelve/30 by children’s author Mercer Mayer and digital media developer John R. Sansevere. Children's author and illustrator Mercer Mayer has partnered with digital media writer, producer and game designer John R. Sansevere to form Twelve/30 to develop and exploit
Children’s book author Mercer Mayer has aligned with John R. Sansevere in a new venture to exploit his catalog of 300-plus titles across media and consumer products.