Midnight House is a mystery thriller novel by the British writer Ethel Lina White, which was first published in 1942.

It was published in America by Harper under the alternative title Her Heart in Her Throat.

The house next door has been shut up for many years where a tragic illicit romance once took place.

Elizabeth becomes convinced that there is a connection between the killings, Maxine and the old empty house next door.

In 1945 it was adapted into a Hollywood film The Unseen directed by Lewis Allen and starring Joel McCrea, Gail Russell and Herbert Marshall.