Keep your eyes peeled for irregularities in this exciting and challenging collection of 30 spot-the-difference puzzles. Simply compare the two images with a close eye, paying attention to details such as a missing shoe or misshapen door! This collection features great artists of the past, and with each spot-the-difference puzzles based on a famous work of art, including: • by Pierre-Auguste Renoir by Gustav Klimt by Vincent van Gogh by Katsushika Hokusai Familiarize yourself with small details of great works of art and ask yourself ... can you spot the difference?