Presents information about thirteen mysteries from the art world, including questions about the Mona Lisa, van Gogh, and the street artist Banksy.

Moses' ark of the covenant -- The riddle of Apelles -- What did Jesus really look like? -- Jan van Eyck and oil painting -- The world of Hieronymus Bosch -- Why is Mona Lisa smiling? -- How did Caravaggio die? -- Was Jan Vermeer a photographer? -- The missing amber room -- Goya and the ugly queen -- To whom did van Gogh give his ear? -- Surrealistic picture puzzles -- Who is Banksy?