Readers can discover all the foul facts about the Angry Aztecs, including why the Aztecs liked to eat scum, when the world is going to end and their horrible habit of drinking live toads in wine. With a bold, accessible new look, revised by the author and illustrated throughout, these bestselling titles are sure to be a huge hit with yet another generation of Terry Deary fans. 2013 is the twentieth anniversary of Horrible Histories.