Nearly a century ago, the historian Carter G. Woodson started a movement to teach Black history in America’s schools. First called Negro History Week and now Black History Month, it has been an oasis amid curricula that have too often and for too long either completely ignored Black people or treated them as subordinates. Even though Black History Month can sometimes be commemorated in ways that have turned rote and bland, many enterprising educators, librarians, and parents have used the occasion to bring stories, new interpretations of the past, and intellectual challenges to students of all ages who wouldn’t encounter them otherwise. And books have always been at the heart of their efforts.
Today, however, the books that have been deployed by adults to help in this passing on of history and sensibility are disappearing from school libraries. Led by mostly conservative lawmakers across the country, at least 12 state…