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
Agatha Christie: And Then There Were None island with only a vague notion of what to do in order to progress the story." 2404 was more encouraging, saying that although the game was formulaic, there was a welcome lack of mazes and slider puzzles in the game, making it more accessible to a wider audience. Agatha Christie: And Then There Were None Agatha Christie: And Then There Were None (also simply known as And Then There Were None) is a 2005 point-and-click adventure game developed by AWE Productions and published by The Adventure Company for Microsoft Windows. It was the first in The Adventure Company's "Agatha Christie"