This book simply contains fifty full-color, high-resolution images of grey (or gray) cats. According to Wikipedia: COLOR: Is it GREY or GRAY? GREY or GRAY is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is a color "without color." The first recorded use of GREY as a color name in the English language was in AD 700. GREY is the dominant spelling in European and Commonwealth English, although...