Harper Lee’s estate will no longer allow publication of the mass-market paperback edition of To Kill a Mockingbird, which was popular with schools. Over at The New Republic, Alex Shephard writes that “Without a mass-market option, schools will likely be forced to pay higher prices for bulk orders of the trade paperback edition—and given the perilous state of many school budgets, that could very easily lead to it being assigned in fewer schools.” For more about the author’s legacy, read Robert Rea’s Millions essay on his travels to her home.