I picked up this tidbit here. Frank Gruber was a prolific writer. In a career spanning over 40 years, Gruber penned 300 stories for over 40 pulp magazines, published 60 novels and nearly 200 movie and television scripts. Over 95 million copies of his books sold in 24 countries. Prolific is right.
In 1967 he published The Pulp Jungle, an account of his early experiences as a (literally) starving artist writing and selling his work in NYC. The work included his eleven point formula for mysteries:
1. THE HERO. A hero must be colorful. He must have an occupation that is colorful or he must be a colorful person. In general, I have followed the theory that a regular policeman or detective is not colorful. Just think a moment about the greatest detective in all detective fiction – Sherlock Holmes – and you will quickly grasp what I mean by colorful.
2. THEME. This, to me, is the most important element of any mystery story plot. By theme I mean subject matter, what the story is about in addition to, over and above, the ACTUAL MURDER plot. To illustrate:
“Death and the Main” is about fighting cocks. I give a reasonably inside account of how gamecocks are raised, how they are fought, etc. This is knowledge not possessed by the average reader and believe me, I did not know it until I read up on the subject, for the purpose of this story.
My book, The Lock & the Key, was about locksmiths. A liberal education in making locks and keys was thrown into the murder plot. I knew absolutely nothing about locks and keys until I did research on the subject. I know no more than is in the book.
If you have ever read Dorothy Sayers’ excellent English mysteries, you will find that THEME figures superbly. In The Nine Tailors, the reader earns all about church bells, the art of bell-ringing, etc. In Murder Must Advertise, Miss Sayres discusses advertising in all its phases.
HOWEVER . . . knowledge of a subject should be used sparingly. The mystery reader may not be as interested in the subject as you are.
3. VILLAIN. Let’s face it, the hero of detective fiction is a Superman. The villain must therefore be a super-Superman or have plenty of assistants. The odds must ALWAYS be against the hero.
4. BACKGROUND. The story must be played against a colorful or unusual background. The streets of a big city are not necessarily colorful. If they’re not, make them so.
5. MURDER METHOD. Here again, the “unusual” should be considered. Shooting, stabbing, etc., are acceptable, but the circumstances surrounding them should be “unusual.”
6. MOTIVE. Actually, there are only two reasons for murder – hate and greed, but there are many subdivisions of these and the motive should be as unusual as possible.
7. CLUE. Somewhere in the story, there must be a clue for the alert reader. Sure, try to fool the reader, but the clue must be there if the reader should want to check back on you, after the story is over.
8. TRICK. In the grand finale, when all seems lost, when the hero cannot possibly win out, he must snatch victory from apparent defeat. By a trick… and here the word “unusual” applies.
9. ACTION. The story must have pace and movement. It must not consist of talk, talk, talk, about the missing button, etc.
10. CLIMAX. A grand, smashing climax is necessary. Unusual.
11. EMOTION. The hero should be personally involved in some manner. He should be doing this, over and beyond the call of duty. Or, beyond the money paid him for doing it.
PseudonymTBD 