Down at Fraggle Rock: Lost Treasures from the Jim Henson Archives was an announced 160-page hardcover book about the making of Fraggle Rock. Writer Jocelyn Stevenson was pegged as the author, and the book would have featured a foreword written by Neil Patrick Harris. It was originally to have been released on September 10, 2013, but the release date was pushed back several times. In a January 2016 correspondence, the publisher confirmed that the book was cancelled.