Babar's crown is missing! On a family trip to in Paris, Babar switches suitcases with a mustached man and the family must venture through the city to track him down. Will they find the King's crown in time for the opera? Babar's crown is missing! On a family trip to Paris, Babar switches suitcases with a mustached man, and the family must venture through the city to track him down. Will they find the King's crown in time for the opera? Readers will delight in the surprise ending of this sequential adventure, adapted from the classic picture book Babar Loses His Crown.