First class murder - robin stevens

A murdered heiress, a missing necklace, and a train full of shifty, unusual, and suspicious characters leaves Daisy and Hazel with a new mystery to solve in this third novel of the Wells & Wong Mystery series.

Hazel Wong and Daisy Wells are taking a vacation across Europe on world-famous passenger train, the Orient Express--and its clear that each of their fellow first-class travelers has something to hide.

Even more intriguing: Theres rumor of a spy in their midst.

Then, during dinner, a bloodcurdling scream comes from inside one of the cabins.

When the door is broken down, a passenger is found murdered--her stunning ruby necklace gone.

But the killer has vanished, as if into thin air.

The Wells & Wong Detective Society is ready to crack the case--but this time, theyve got competition.