Series
Summary
When Matt, Ruby, and Corey Hudson discover their subway train is actually a time-traveling eighteenth-century frigate captained by a mysterious pirate, they are thrown into a series of adventures that offer cryptic clues about their past and their future.-- Full description
Series: Time Castaways
The Mona Lisa key (Volume 1.)
The Obsidian compass (Volume 2.)
The forbidden lock (Volume 3.)