Adventure of Maisie Voyager

Maisie Voyager used to explore the world with her parents. She now lives in a tall town house with Aunt Hetty, experiencing ''normal'' life. But strangers start appearing, cryptic messages are left, and Aunt Hetty is kidnapped!

Following a trail of clues that leads her to abandoned tin mines and a hunt for treasure, Maisie discovers that evil Dr Gallows and his gang have taken her family hostage an...