Narrators of the series include Nigel Planer and Tony Robinson, who many listeners will recognise from some of TV's greatest comedies.

With many authors in the 70s and 80s trying to mimic the success of The Chronicles of Narnia and The Lord of the Rings, he began writing parodies that quickly became more popular than those they were poking fun at.

Recognised as one of the best (and most prolific) authors ever to have come out of the UK, Pratchett's absurdist comedy was born out of frustration with the fantasy novels being published at the time. The Disc itself is approximately 10,000 miles wide, giving plenty of opportunity for author Sir Terry Pratchett to explore the themes of religion, fundamentalism and inner-city tension that underpin the 40-plus titles in the Discworld series. Together they set off for the edge of the planet, encountering many a mythical creature along the way. When Discworld’s first-ever tourist arrives on this unique land – an insurance salesman with luggage that runs on its own legs – the failed wizard Rincewind becomes his guide. It’s completely flat and propped up by four huge elephants standing on the back of a giant turtle, swimming through space.

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