"I bought the milk," said my father. "I walked out of the corner shop, and heard a noise like this: t h u m m t h u m m. I looked up and saw a huge silver disc hovering in the air above Marshall Road."

"Hullo," I said to myself. "That's not something you see every day. And then something odd happened."

Find out just how odd things get in this hilarious New York Times best-selling story of time travel and breakfast cereal, expertly told by Newbery Medalist and best-selling author Neil Gaiman.