L. Frank Baum 
Aunt Jane’s Niece Abroad 

The second book in the series by author L. Frank Baum, 'Aunt Jane’s Nieces Abroad’ follows the continued adventures of three nieces Louise Merrick, Elizabeth de Graf, and Patsy Doyle. Their wealthy Uncle John decides to take the girls on a trip to Europe, but the group are in for an eventful holiday as they witness a volcanic eruption, deal with thieves, and even encounter the mafia. An exciting tale of peril and adventure from the popular author. –