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
David Jason Father Christmas in "Father Christmas and the Missing Reindeer", Rola Polar in "The Adventures of Dawdle the Donkey", "Angelmouse", and did voices in animated films including "Wombling Free" and "The Water Babies". In 1981, Jason found his most popular role, Del Boy Trotter in the BBC situation comedy "Only Fools and Horses", created by John Sullivan. Del-Boy is a wide-boy who makes a dubious living in Peckham, south London, trading in shoddy, stolen, and counterfeit goods. He is assisted by his brother Rodney (played by Nicholas Lyndhurst) and Grandad (played by Lennard Pearce) and, in later episodes, Uncle Albert (played