Stanley Lambchop is headed to France to the most famous museum in Paristhe Louvre. Readers will experience the city of light, soar to the top of the Eiffel Tower, and solve a mystery when one of the most famous paintings in history is stolen. And when Stanley Lambchop is asked to help catch an art thief, he can't help but be excited!

Posing as a painting in the Louvre on a wall across from the famous Mona Lisa?c'est magnifique! However, Stanley soon grows boreduntil he meets Etoile, an art student who shows him around Paris.

But when Stanley goes back to the museum, he realizes that the Mona Lisa looks, different. It's been switched for a fake! Will Stanley be able to nab the thief before he or she strikes again?