Conversation so far:
Did Agatha Christie describe what her stereotypes were in her books?
Agatha Christie occasionally inserted stereotyped descriptions of characters into her work, particularly in regard to Italians, Jews, non-Europeans, and sometimes Americans.
How did Agatha Christie describe some of the men in her books?
For example, Agatha Christie described Hebraic men with hook-noses wearing rather flamboyant jewellery in the first editions of the collection The Mysterious Mr Quin.
From what novel was Agatha Christie's description of Hebraic men with hook-noses wearing rather flamboyant jewellery?
Agatha Christie described Hebraic men with hook-noses wearing rather flamboyant jewellery in the collection The Mysterious Mr Quin and the short story The Soul of the Croupier.

Question: How did she depict foreigners?
Self-contained rewrite: How did Agatha Christie depict foreigners in her books?