Books sold by publishing houses among middle grade authors U.S. 2017
This statistic shows the average number of debut book copies sold by publishing houses among middle grade authors in the United States as of September 2017. The data reveals that small publishing houses not providing an advance for middle grade authors (authors who write for children around eight to 12 years old) sold just under 2.5 thousand copies of the author's debut, whereas small houses offering an advance sold nine thousand copies on average.