Challenge your brain with this optical illusion IQ test online! Spot the hidden pencil in just 5 seconds in this tricky ...

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 ...

Choosing the right materials is key to creating DIY optical illusion art: High-quality drawing paper: Choose paper with a ...

YOU could have a high IQ if you can spot which dice has seven spots instead of six. The already difficult optical illusion ...

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 ...