Mental Floss

WORLD RECORDS

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Clocking in at 1.3 million words and 9.6 million characters, Marcel Proust's novel 'In Search of Lost Time' is the world's longest book, according to Guinness World Records.

Michele Debczak




daveynin, Flickr // CC BY 2.0

From tainted arcade high scores to a suspected case of stolen identity, here are five of our favorite Guinness World Record controversies.

Jason Serafino