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
Christmas by medium film tax benefits). Before 1962, when "Mr. Magoo's Christmas Carol" premiered, true Christmas specials made for TV were either adaptations of stories such as "A Christmas Carol" (with live actors), or the Nativity Story, or episodes of variety shows highlighting Christmas music. They were often hosted by such celebrities as Perry Como, Jane Wyatt, or Florence Henderson. (A notable exception was "The Spirit of Christmas" in 1950, which, although featuring an appearance by Alexander Scourby, who also narrated, starred the Mabel Beaton Marionettes.) This all changed once variety shows began dying out in the late 1980s and Rankin-Bass began producing