Natalie Sumner Lincoln (1881-1935) wrote The Trevor Case (1912), The Lost Despatch (1913), The Man Inside (1914), Cod (1915), I Spy (1916), The Nameless Man (1917), The Moving Finger (1918), The Three Strings (1918), and The Red Seal (1920). The Red Seal begins in a courtroom with the cross examination of a witness. The dialogue is crisp and the action well written.