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.

When her family temporarily moves into a luxury apartment building in 1904 Manhattan, eleven-year-old Samantha tries to discover whether a series of mishaps is related to a curse on the building's owner.

"Marie-Grace can't wait to begin her journey up the Mississippi River with her father. The steamboat they're traveling on is the biggest and fanciest boat Marie-Grace has ever seen. It's crowded with all sorts of interesting passengers, including Wilhelmina Newman, a girl her age. Wilhelmina is traveling alone, and she's carrying a secret in one of her trunks--clues to hidden Gold Rush treasure."--Provided by publisher.

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.

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.

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. Includes historical notes on the time period.

In 1935, while preparing to write a newspaper story about a theater production of Macbeth in her hometown of Cincinnati, twelve-year-old Kit discovers that a thief is stealing from the box office.

Marie-Grace is excited that a well-known English opera company will perform at the very theater where she takes singing lessons from Aunt Oc�eane, but as she and her friend C�ecile help out backstage, the make disturbing discoveries.