Magically transported back in time to 1919, ten-year-old Rosemary Rita shares an adventure with her great-grandmother aboard the luxury ocean liner Mauretania.
For her tenth birthday, Rosemary Rita's grandmother Mimi sends her a magical hourglass, which takes Rosemary Rita back to 1870 in Germany to meet Mimi's great grandmother and help her decode a mysterious postcard.
Rosemary Rita's magical hourglass takes her to the Paris Exposition of 1889, where she meets her great-great-grandmother Gracie, also aged ten, and together with a friend they set out to catch the boy who steals Gracie's locket.
Magically transported back in time to 1919, ten-year-old Rosemary Rita shares an adventure with her great-grandmother aboard the luxury ocean liner Mauretania.
Magically transported back in time to 1947, ten-year-old Rosemary Rita searches for buried treasure with her grandmother, also aged ten, on the island Green Turtle Cay.