The Book of General Ignorance was released in the UK a year after "The Book of General Ignorance", on 4 October 2007. An audiobook adaptation called "The Sound of General Ignorance" was scripted and read by the authors on 4 November 2008. On 25 December 2008 an extended version of the book, entitled "The Noticeably Stouter Edition", was published to coincide with "QI" moving to BBC One. This new version included new facts, quotes from the show, a list of all the episodes made at the time, an index, and a new collection of "Four words" from Davies. On 1 November 2007 another "QI" spin-off
The Lord of the Rings: The Two Towers UK distributor, which had threatened to withhold advance supplies of subsequent DVD releases. As with "The Fellowship of the Ring", an extended edition of "The Two Towers" was released on VHS and DVD in November 18, 2003 with 45 minutes of new material, added special effects and music, plus 11 minutes of fan-club credits. The runtime expanded to 223 minutes. The 4-disc DVD set included four commentaries along with hours of supplementary material. In August 2006, a limited edition of "The Two Towers" was released on DVD. The set included both the film's theatrical and extended editions on a double-sided