Here is the original book cover. As you can see, the work "Mathematics" has also been Photoshopped on. In the original image, the book reads "Student Roll Call" in Japanese.

This front cover of an algebra textbook has left the internet baffled – but can you work out what’s wrong with it? The image shows five ethnically diverse university students all clutch… ...

Thai education officials were left red-faced after someone on Twitter discovered that a porn star was gracing the cover of a university math textbook. According to England's Metro, publisher Muang ...

The words and numbers are neatly written in fountain pen, the diagrams painstakingly drawn with ruler and pencil but the answers in this 1963 mathematics book suggest he was no budding Einstein.

A Thailand book publisher has landed itself in a spot of bother after releasing a maths textbook with a porn star on the cover. MuangThaiBook thought they had found the perfect woman for the front ...