Strange Inheritance or The Traveller on All Saints' Day (French: Le voyageur de la Toussaint) is a 1941 mystery novel by the Belgian writer Georges Simenon.

[1] On All Saint's Day Gilles Mauvoisin returns home from Norway to his hometown of La Rochelle on the western coast of France.

He discovers that his uncle had died several months earlier leaving him his fortune, including a transport company and his house on condition that he allows his family to keep living there.

Gilles soon finds that his family are snobbish and resentful, and appear to be hiding a secret about his uncle's death.

In 1943 it was made into a film Strange Inheritance directed by Louis Daquin and starring Assia Noris and Jules Berry.