Around one in eight of the world's population cannot read or write.
The average person reads at a speed of about 200 words a minute.
In the UK one new book title is published every four minutes.
In the 1780s Benjamin Franklin invented bifocals by having his reading glasses cut in half and fused with his distance glasses.
The earliest recorded use of the term 'reading glasses' is from Charles Dickens' Bleak House (1853).
Every published book is assigned a unique 10-digit ISBN (International Standard Book Number).
The final digit... MORE
Benjamin Franklin rose early every day and sat naked for half an hour or an... MORE
It is estimated that one in five of the world's adults lacks minimum literacy skills.The... MORE
In 2011, police in Vietnam were banned from wearing black sunglasses, chatting, smoking and putting... MORE