The Book of General Ignorance round differs, in particular during the Christmas specials. During the course of the "B" Series special, Fry and Davies swapped places for "General Ignorance", with Fry attempting to answer questions ostensibly written by Davies to stump him. During "D"s Christmas Special, all the "GI" questions revolved around saints. "The Book of General Ignorance" contains a list of 230 questions, most of which previously appeared in episodes of "QI". Each question explains the correct answer, and usually attempts to show why people tend to make the wrong assumptions, or believe certain myths. Each book contains two forewords, one by Fry, the
25 Days of Christmas have been produced. In 2007, three films were created for the block, due to the popularity of the previous year's films. The following non-original (originally premiered direct to video, or on some other TV network or cable channel, or as a theatrical featurette) Christmas specials, or Christmas-themed episodes of television programs are presently being featured during 25 Days of Christmas (including Countdown to 25 Days of Christmas) (): The following non-original (originally premiered theatrically, or direct to video, or on some other TV network or cable channel) Christmas movies are presently being featured during 25 Days of Christmas (including Countdown