The Secret House is a 1917 thriller novel by the British writer Edgar Wallace. It featured the return of several characters who had appeared in his earlier success The Nine Bears.

Richard Horatio Edgar Wallace (1875 - 1932) was a british writer.

Wallace was such a prolific writer that one of his publishers claimed that a quarter of all books in England were written by him. As well as journalism, Wallace wrote screen plays, poetry, historical non-fiction, 18 stage plays, 957 short stories, and over 170 novels.