A third mystery for thirteen-year-old Agatha Oddly – a bold, determined heroine, and the star of this stylish new detective series.Agatha Oddlow is on the case with yet another adventure! An assistant at the National Gallery has gone missing, but when Agatha begins investigating, she uncovers a plot bigger than she could ever have imagined. Join Agatha as she travels throughout London and into the very heart of the mystery…
Agatha’s been a detective for as long as she can remember. But can she crack the case in these three mysteries: The Secret Key, Murder at the Museum and The Silver Serpent?With access to a network of tunnels underneath London, she is certainly perfectly positioned to. Join her as she tries to save the City from some strange goings-on, investigates a murder and attempts to track down a mysterious disappearance at a famous art gallery…