Vol. 1, Compass South: After escaping the Black Hook Gang in 1860 New York City, twelve-year-old twins Alexander and Cleopatra flee to New Orleans, become separated, and try to find each other in San Francisco, while being followed by pirates who think they hold the key to treasure.--Vol. 2, Knifes Edge: Twelve-year-old twin adventurers Cleopatra and Alexandra Dodge are reunited with their father and realize that two family heirlooms reveal the location...

When best friends Bird and Squirrel find a treasure map, adventure calls once again. Squirrel is worried about the dangers ahead, but this time, Red and Birdie aren't going to miss out on the fun.