Billboard (magazine) | Time (magazine) | Vogue (magazine) | magazine | Esquire (magazine) | Harper's Magazine | Life (magazine) | National Geographic (magazine) | Strand | Mojo (magazine) | Fortune (magazine) | Strand, London | Variety (magazine) | Slate (magazine) | People (magazine) | New York (magazine) | Magazine | Stern (magazine) | Punch (magazine) | Elle (magazine) | PC Magazine | The Magazine of Fantasy & Science Fiction | Spin (magazine) | Mad (magazine) | The Ring (magazine) | The New York Times Magazine | Mother Jones (magazine) | Scribner's Magazine | Penthouse (magazine) | PC World (magazine) |
He was editor of the Strand Magazine between 1946 and 1950, after which he was recruited by Rev Marcus Morris to write for a new boys' comic, The Eagle.
Ffolkes contributed to such newspapers and magazines as Strand, Lilliput, the Daily Telegraph, The Spectator, the Sunday Telegraph, Playboy, Private Eye, the New Yorker, the Reader's Digest, Krokodil, and Esquire.
The book features the recurring character of Colonel Race for the last time and was an expansion of a Hercule Poirot short story entitled "Yellow Iris," which had previously been published in issue 559 of the Strand Magazine in July 1937 and in book form in The Regatta Mystery and Other Stories in the US in 1939.
It was often compared to the competing publication, Strand Magazine, and many artists, such as illustrator Sidney Paget and author H. G. Wells, sold freelance work to both.
On the death of Sidney Paget, who had illustrated Conan Dolyle's Sherlock Holmes stories in The Strand magazine, Twidle became one of Doyle's regular artists.
Herbert Greenhough Smith (1855–1935), the first editor of The Strand magazine
George Newnes – founder of the Tit-Bits newspaper (1881) and the popular The Strand Magazine, of Sherlock Holmes fame