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
And Then There Were None writer has ever surpassed it for sheer puzzlement the name escapes our memory. We are referring, of course, to mysteries that have logical explanations, as this one has. It is a tall story, to be sure, but it could have happened." Many compared the book to her novel "The Murder of Roger Ackroyd" (1926). For instance, an unnamed reviewer in the "Toronto Daily Star" of 16 March 1940 said, "Others have written better mysteries than Agatha Christie, but no one can touch her for ingenious plot and surprise ending. With "And Then There Were None"... she is at her most