"Marie-Grace can't wait to begin her journey up the Mississippi River with her father. The steamboat is full of interesting passengers, including Wilhelmina Newman, a girl Marie-Grace's age. Wilhelmina is traveling alone, and she's carrying a secret. Her father has hidden gold somewhere, and he's left her clues to find it"--P. [4] of cover.
In 1925, after witnessing the violent actions of some gangsters, twelve-year-old Emily accompanies her older sister on a trip to a luxurious hotel on the New Jersey shore but worries that the gangsters have come to the same hotel.
While on a transatlantic voyage to Europe, Samantha and Nellie discover there is a world-famous archaeologist on board who is carrying a legendary sapphire. When the jewel goes missing, every one of the passengers becomes a suspect.
Kit, working as a reporter for the children's page of the "Cincinnati Register," goes to the local theater hoping to do an article on what goes on behind the scenes, and decides to do a bit of investigating on the side when the night's receipts are stolen.
Marie-Grace, on a journey up the Mississippi River in a large steamboat with her father, meets Wilhelmina Newman, a girl her age who is traveling alone and carrying clues to hidden Gold Rush treasure, and, together, they work to unravel them.
Sent to live with relatives in New Orleans during the War of 1812, eleven-year-old Elisabet determines to find a smuggler's treasure to ransom her imprisoned father.
Volunteering with her friend Cecile at a crowded New Orleans orphanage during the yellow fever epidemic of 1853, Marie-Grace discovers that it is not just the orphans who need help.
