Guess all 20 books in the #HiddenBooksGame and you could win a £500/€500 National Book Token to spend in your local bookshop (the best gift ever, in our opinion).
Play now: buff.ly/460M0aR
Here's how to turn it off.
First go to the hamburger menu in the upper left corner
Here's how to turn it off.
First go to the hamburger menu in the upper left corner