The Deadly Travellers — Dorothy Eden

Pretty, vivacious and alone in the world, Kate Tempest always enjoyed an unexpected adventure. When she was hired to escort a small Italian girl from Rome to London, she was delighted. But little Francesca, speaking not a word of English, mysteriously vanished into thin air on the Paris Express, and no one would admit to seeing her board the train...

Treated as a victim of hallucination, Kate tried to find the child on her own. Her probing led her to two attractive men, both of whom offered their help and their love.

By the time Kate discovered that one of them meant to kill her, she was caught in a terrifying web of deception and betrayal, unable to tell which was the friend and which was the enemy...