Anthony Horowitz, OBE is an English novelist and screenwriter specialising in mystery and suspense. His work for young adult readers includes The Diamond Brothers series, the Alex Rider series, and The Power of Five series.
A cryptic letter with clues leads James and his friends to believe the professor was kidnapped and they have 48 hours to save him. The investigation takes them to London's East End, where they uncover sabotage and danger, relying on their wits and skills to solve the mystery and rescue the professor.
