The publication of Harry Potter - a podcast by BBC World Service

A look back at some of the most influential books of modern times, including an interview with the publisher who first spotted Harry Potter's potential. Plus, Chairman Mao's Little Red Book, Erica Jong's Fear of Flying, Brazilian bestseller Diary of a Favela, and dating handbook The Rules.

Picture: JK Rowling signs copies of the final Harry Potter book "Harry Potter And The Deathly Hallows" at the Natural History Museum in London, 2007. (Justin Goff\UK Press via Getty Images)

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