VIVE LA REVOLUTION! Dolphins shed and replace their skin every two hours Pluto was named by an eleven-year-old schoolgirl A donkey's personality is called its donkeyship Freud didn't lose his virginity until the age of 30 The bastion that was QI has been stormed, elves have been put to the guillotine, the readers are in charge. After nine and a half years of cumulative reading time, readers of the QI App have selected the definitive QI collection. With a new introduction by John Lloyd and John Mitchinson, and packed full of handsome images, these ten chapters form the best-of to end all best-ofs.