School librarians regularly face difficult intellectual freedom questions. Is it a good idea to put grade- or reading-level labels on the outside of books or use labels to determine what students should read? Do children have First Amendment rights? The ALA "Intellectual Freedom Manual" provides answers and guidance. The "Intellectual Freedom Manual" has been an essential resource for decades. Over time, it grew considerably in size and scope, containing official ALA policy statements on intellectual freedom and essays about the history of those statements. Based on feedback from librarians, the ninth edition has been revised and reorganized. This article describes what is included in the new edition, how it is arranged, and how school librarians can put it to use.