'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 ... Read moreresearched 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.