TomBrennanwasworkinginaPhiladelphiaofficebuildingwhenhe...
问题详情：TomBrennanwasworkinginaPhiladelphiaofficebuildingwhenhenoticedablackbag.Thebagcontainedabook.Thischancediscoveryendeda12-daysearchbytheLibraryCompanyofPhiladelphiaforahistoricaltreasure-a120-p...