So notice, then, how different our access to books is from our access to documentary films. After a limited time, almost all published books (but not all: put aside picture books, poetry, and, for reasons that will become obvious, an increasing range of relatively modern work) can be republished and redistributed. No heir of a long-dead author will stop us from accessing her published work (or at least the heart of it–some would say that the cover, the foreword, the index might all have to go). But the vast majority of documentary films from the twentieth century will be forever buried in a lawyer’s thicket, inaccessible (legally) because of a set of permissions built into these films at their creation.