counterfeits and counterfeiting

When counterfeit money begins to circulate in her small New Jersey town and her father's parish seems to be implicated, 12-year-old Ruth determines to help him by tracking down the source of the money.

Contains a collection of facts about coins, bills, counterfeiting, and other interesting money topics.

When her grandmother decides to ditch assisted living and start a boarding house, fourteen-year-old Amanda Jane Keeling, or Rebel, signs on for the work crew, where she just happens to meet a teenaged boy taller than she is and to embroil them both in a mystery.

Bess has gotten a real surprise for Christmas from her aunt: two crisp new twenties that turn out to be forgeries. Nancy is out to trace the source of the bad bills.

Frank and Joe unravel two mysteries, one involving a counterfeiting case and the other concerned with a national security case on which their father is working.

When an epidemic of phony five-dollar bills spreads throughout the neighborhood, T.F. and Sara set out on the trail of the counterfeiter.

On board the Continental Express, traveling from New York to San Francisco in 1906, fourteen-year-old amateur detective Fitz and a new friend, Justine Pinkerton, try to unravel a dangerous plot involving disguises, arsenic poisoning, and counterfeit money.

Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting.

Thirteen-year-old Sammy meets a mysterious man who dies of a heart attack after telling her to get rid of the large amount of money he is carrying, leading her to investigate who the man was and how he came to be carrying so much cash.