Our earliest thoughts and aspirations are shaped by what we see and read in books, but the publishing industry has been a constricting force by hiring homogenous authors telling homogenized stories. Marietta Zacker, of the Gallt & Zacker Literary Agency, talks about the effects of the historical exclusion of authors, illustrators and stories from marginalized communities, why this has happened, and how her and her colleagues are getting diverse and compelling stories into the hands of children & young adults.