The composition is sober and lets the typography do its work. For titles the voluptuous Clarendon was used because it provides with personality and the elegant Caslon was used for reviews and texts as it offers a very good readability even in smaller body sizes. Both typefaces are British, as well as Agatha Christie, making the design more coherent.
The pictures, in black and white and with analog's photography grain, show some key elements from the novel's plot. Regarding the chromatic range, the Penguin Books orange was chosen as the main colour and applied in titles and it was combined with black and white.
The general goal of the design was to transmit to an adult target that the collection is about crime and suspense and to bring the reader to another time with means like analog photography or the English typefaces.