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
How the Ghosts Stole Christmas [and] classic comedy episodes including, "How The Ghosts Stole Christmas." DVD.net called "How the Ghosts Stole Christmas" a "classic" standalone episode. "SFX" named the episode the sixth best "SF [Sci-Fi] & Fantasy Christmas Episodes" and noted that it was full of "classic lines, some neat tricks". Zack Handlen from "The A.V. Club" gave the episode a largely positive review and awarded it a grade of an A. He noted that the episode was written in a similar manner to the earlier, Carter-penned "The Post-Modern Prometheus". Handlen wrote that both entries "have a gleeful, everybody-gets-out-okay-in-the-end vibe". He, however, concluded that the