My Mystery Vol 29: The Mystery Of The Poisoned Professor

Who murdered Professor Phua? Was it his young assistant? Or was the professor the victim of a killer in search of ancient Egyptian relics? When a young man begs Alvin to prove his innocence, Soh & Co are plunged into one of their most mysterious cases. Confusing clues, curious twists and turns, thwart them at every step. Who tried to attack Wei Ling? Will the killer strike again? And where are the missing relics?