1,399 QI Facts To Make Your Jaw Drop by John Lloyd, John Mitchinson and James Harkin is packed with even more interesting facts than the bestselling sensation - 1,227 QI Facts To Blow Your Socks Off.

EVERYTHING TO PLAY FOR - A NEW BOOK BY QI ELVES JAMES HARKIN AND ANNA PTASZYNSKI - IS AVAILABLE FOR PREORDER NOW

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

1,399 QI Facts To Make Your Jaw Drop by John Lloyd, John Mitchinson and James Harkin is packed with even more fascinating facts.

Whilst you're bending over to grab your socks following the succes of 1,227 QI Facts to Blow Your Socks Off, don't forget pick up your jaw as the QI team returns with a fresh stack of facts to astonish and enlighten.

Did you know that:

Pigs suffer from anorexia.

It is impossible to whistle in a spacesuit.

The first computer mouse was made of wood.

Rugby School's first official rugby kit in 1871 included a bow tie.

Lord Kitchener had four spaniels called Shot, Bang, Miss and Damn.

J. K Rowling has no middle name.

If there are any facts you don't believe, or if you want to know more about them, all the sources can be found on QI's website.