Philip Saltzman

J. Edgar Hoover and the FBI go after notorious bank robber and kidnapper Alvin Karpis and his gang.

A young astrophysicist searches for sinister extraterrestrials looking for sanctuary for their comrades by possessing the bodies of humans.

Perry investigates the murder of a former madam and uncovers a multimillion dollar banking fraud in the process.

Perry is suing a gutter trash newspaper that is running a story about a love affair between him and Della. The editor also has "dirt" files on an Army General, his banker and other "clients". All of them make little-concealed verbal threats to him at a party but the person that hated him most is a female reporter who the editor had just fired from the paper for attempting to write a serious story. She threatens him and soon after the editor is found, floating in his pool, shot. The reporter is arrested for the crime and Perry, who has a personal stake in this matter, with the aid of Della and Paul set out to solve the mystery. But the other suspects just want the case over with and will go to any lengths to protect their pasts and their secrets

A woman suddenly disappears after an early morning walk, and her husband is accused of murder.

John McKennon, a former FBI agent who runs Intertect, an international investigative agency, is followed as he tackles various assignments.

A Swiss bank discovers some of its clients are becoming the victim of a brilliant blackmailer. The bank's president contacts David Christopher, a former agent with the U.S. Treasury, to help discover who the blackmailer is and to foil his plot. As Christopher delves into the mystery, he uncovers a complicated web of intrigue, car chases, and shoot-outs that takes all of his wits to unravel.

Mason defends a man he had sentenced to prison when he was an appellate-court judge. Now, 18 months after the sentencing, a new witness turns up to prove the man's innocence. Mason steps in to defend the man.