Agatha Misteri. Book 25. Unforeseen incident in Barcelona

On the same day, on the eve of a difficult exam, Larry Mr. receives an unexpected and completely secret assignment from his teacher at the Detective School. To complete the task, he must go to Barcelona, ​​where he had never been, to meet there with a man whom he had never seen, and to give him a package, whose contents are unknown to him. Help in such a difficult matter will never hurt, and who is better than Agatha, the future famous writer of detective novels, understands all sorts of intricacies and riddles? And riddles begin to pour in friends immediately upon arrival in a beautiful city on the Spanish coast, famous for the architectural masterpieces of Antonio Gaudi. And one of these masterpieces is in a serious danger that our heroes are simply obliged to prevent!