Sammy continues to make life with her grandmother interesting as she tries to discover who is stealing from St. Mary's church, befriends a homeless girl, and plays in a softball tournament against a bitter rival.
Flint Future Detective Club members Steven Carter, his friend Russell, and Russell's dog Zoopy solve the mystery of a quadrillion-dollar bill with the image of James Brown on it.
Annika, a twelve-year-old foundling in late nineteenth-century Vienna, inherits a trunk of costume jewelry, and soon afterwards a woman claiming to be her aristocratic mother arrives and takes her to live in a strangely decrepit mansion in Germany.
When he finds a clue to a mystery in his tree house, Todd enlists the help of his third-grade classmates to identify the trespasser who had left it there.
