Includes some of the facts such as: cows moo in regional accents; the entire internet weighs less than a grain of sand; the dialling code from Britain to Russia is 007; potatoes have more chromosomes than human beings; the London Underground has made more money from its famous map than it has from running trains and more.

'I love these books ... the best books ever. Brilliant' Chris Evans

QI is the smartest comedy show on British television, but few people know that we're also a major legal hit in Australia, New Zealand, Israel and Africa and an illegal one on BitTorrent. We also write books and newspaper columns; run some (frankly thriving, if we do say so ourselves) social media pages; and some of us appear on The Zoe Ball Breakfast Showon BBC Radio 2 every week to answer your questions. At the core of what we do is the astonishing fact - painstakingly researched and distilled to a brilliant and shocking clarity. In Einstein's words: 'Everything should be as simple as possible, but not simpler.'

Did you know that:

Cows moo in regional accents.

The entire internet weighs less than a grain of sand.

Tintin is called Tantan in Japanese because TinTin is pronounced 'Chin chin' and means penis.

The water in the mouth of a blue whale weighs more than its body.

Under the Wildlife and Countryside Act of 1981, it is explicitly illegal in Britain to use a machinegun to kill a hedgehog.

1,227 QI Facts To Blow Your Socks Off will make you look at the universe (and your socks) in an alarming new way.