When the magic spyglass transports Mattie, Alex, and Sophie Chapman to the Yukon Territory during the gold rush, they enlist the help of author Jack London to track down a boy's stolen sled dog.
Ranger's next mission finds him in the middle of the Revolutionary War. There he meets Isaac Pope, a fisherman turned soldier for the Continental Army. When General George Washington is in need of a s
Explains the purpose of spies during the American Revolution and describes the actions of several spies including Nathan Hale, General Benedict Arnold, Emily Geiger, and Patience Lovell Wright.
