Agatha on the Trail – The Secret Key

Thirteen-year-old Agatha is a natural-born detective. Her room is full of detective novels, and she has always noticed things that others overlook. Her first case is finally here, and it’s nothing less than saving London! An innocent-looking collision between a motorcyclist and an elderly lady is the beginning of a series of strange events that lead Agatha to a secret key for a labyrinth of underground passages. Old London holds many secrets, and Agatha won’t stop until she gets to the bottom of the mystery. What clues will she uncover, and who is the poor lady really?