Deranged doll-maker Mr. Franz is deathly afraid of being left alone, so he creates a machine that can shrink humans down to only a few inches tall. He soon accumulates a troupe of shrunken prisoners whom he forces to perform for him and keep him company. When he shrinks his secretary Sally and her fiance Bob, the pair decide against spending their days as pint-sized playthings and try to find a way to escape and re-enlarge themselves.

In 1888, Jack the Ripper is on his killing spree. Scotland Yard Inspector O'Neill is pleased to welcome to London his old friend Sam Lowry, a New York City detective who has come to visit him and is only too happy to help out with the case. Sam becomes attracted to Anne Ford, a modern woman for the age, but her guardian, Dr. Tranter doesn't quite approve. The good doctor also seems to be out when the Ripper murders occur. As the population edge ever loser to taking the law into their own hands, the police slowly close in the killer.

A mad scientist captures women and feeds them to a flesh-eating tree, which in turn gives him a serum that helps bring the dead back to life.

Hasegawa is writing a sequel to his previous novel, based on a true character who murdered 9 people on the street, with the premise that the killer had a brother. The main character in his new novel, Harumi, drops out of high school and leads a quiet life, unable to understand his brother. He is scared that the same blood runs in his veins but is also enraged by the fact that his brother’s life is consumed as material for novels by many writers.

A burglar steals a briefcase. Unknown to him, it contains a valuable secret formula. So he has the police on his trail–plus the owner of the formula and a ruthless spy…

After undersea explosions near a Caribbean island, prehistoric creatures are unleashed on the unsuspecting population. Freed from his watery tomb, as well, is a very friendly Neanderthal man who proceeds to befriend a local orphan boy. The boy, Neanderthal and irritated dinosaur make for an interesting dramatic climax.

The life of the great Italian violinist Paganini, which involves gambling, duels, Papal audiences and a tempestuous on-off romance with a French aristocrat, on top of the music itself.

When a wealthy man dies, his avaricious relatives look forward to inheriting all his money. However, he leaves a provision in his will that they all must spend a week together in his castle before they will be able to inherit anything. At the castle (which is cut off from the outside world), the relatives soon begin to be killed off one by one, each strangled with an Indian scarf. The estate's executor, a lawyer, sets out to find the killer before everyone–including himself–is murdered.

Aspirations and the lives of several people working at the gigantic Seacoast National Bank Building interweave in various plots. The most notable character is David Dwight, the womanizing bank owner who keeps his estranged wife happy by paying for her extravagant globetrotting. Dwight's long time secretary Sarah yearns for them to divorce so her affair with him can be legitimized.

San Francisco Tong hatchet man Wong must execute his boyhood friend Sun. Sun knew his time was up and wrote out his will just prior to Wong showing up at his door. When Sun realizes Wong is there to kill me he tries to set his friend's mind at ease by telling him he is the beneficiary of all Sun's worldly possessions and convinces Wong to promise to take care of Sun's young daughter, Toya San who Sun has bequeathed to become his wife. Years later, when she becomes of age, she marries Wong, now a powerful figure, though she loves evil Harry.

Kurt Anderson is the tyrannical manager of a New York department store in financial straits. He thinks nothing of firing an employee of more than 20 years or of toying with the affections of every woman he meets. One such victim is Madeline, a beautiful young woman in need of a job. Anderson hires her as a salesgirl, but not before the two spend the night together. Madeline is ashamed, especially after she falls for Martin West, a rising young star at the store. Her biggest fear is that Martin finds out the truth about her "career move."