8 cloak and dagger books with two or more screen adaptations, ranked by how many times they hit the screen
Mark Twain · 1881
Alexandre Dumas · 1847
Emma Orczy · 1905
Alexandre Dumas · 1845
Anthony Hope · 1894
Théophile Gautier · 1863
Johnston McCulley · 1919
Arturo Pérez-Reverte ·