Did Neil Armstrong really set foot on the moon? Was the United States government responsible for the 11 September attacks? Should we doubt the accidental nature of Diana's death? Voodoo Histories entertainingly demolishes the absurd and sinister conspiracy theories of the last 100 years. Aaronovitch reveals not only why people are so ready to believe in these stories but also the dangers of this credulity. Includes a new chapter investigating the conspiracy theories that question Obama's legitimacy as president.