THIS is the clever optical illusion that will reveal your most annoying personality trait. Usually, personality tests drag ...

Independent publisher Counter-Print has released Optic, a new book on the history of optical illusions in graphic design and how this craft has developed over the years. The inception of Op Art came ...

Don't worry if you're still looking for the books. View the response below. The book name is printed on the back cover. Tell your friends and family about this brainteaser. Give them a challenge ...