Book bans have been on the rise across the country in recent years prompting lawmakers to pass legislation to protect libraries and librarians. “Freedom to read” legislation has been adopted in four states, aiming to safeguard access to diverse materials in public and school libraries, and some lawmakers are hoping to make Massachusetts the fifth state on that list. This is the latest installment of Unbound Pages, our year-long series on the anti-book-banning movement in America.