“In their 2015 public tax returns, the city’s three independent library systems, the New York Public Library, the Queens Library and the Brooklyn Public Library, reported collecting a total of $5.5 million in fines. Just as adults discover they cannot renew their driving licenses if they have too many unpaid tickets, children discover that they lose library privileges if they rack up more than $15 in late fees. The library is the Department of Motor Vehicles on training wheels.”