A woman is convicted of poisoning her husband. Her attorney, asks Ryder for help in getting to the truth. The biggest problem is that she was convicted, based on the evidence, provided by a well-respected Doctor who performed the autopsy.
Prejudiced thugs attack a Puerto Rican teen at the neighborhood youth center, egged into action by the columns of a bigoted writer. As his son lies near death in the hospital, the boy's father pays the race-baiting writer a visit--armed with a hand grenade.
An atomic scientist dies and a radioactive pill that he was using in an experiment disappears. It may have fallen into the hands of children. Collier investigates.
A young woman, an opponent to the dictatorship in Guatarica, is murdered in London. The killer may be hiding in the embassy protected by diplomatic immunity.
Poccari must persuade a self-exiled Arab princess to leave Rome and take over her country from her murdered brother, before the villain Cathis does. Poccari accompanies her on the plane flight, in which Cathis has a surprise for them.
Manfred is called to the estate of Lord Eastleigh for a deathbed confession: the Rembrandt painting hanging in his home is an original. It had been stolen from the museum and replaced with a copy. The lord wants Manfred to return the painting as quietly as possible.