Harrap's shilling library

>A mysterious one-eyed stranger, a midnight meeting at a lonely spot on the Scottish border, the secret password "Panama", and a corpse This is the situation Hugh Moneylaws, a young law clerk finds himself facing. Who murdered the man he was sent to meet, and why? With the only two men who knew the purpose of the meeting dead, it would seem a puzzle that would never be solved. Yet to save himself and his fiance, Hugh must solve the puzzle of the "Dead Men's Money".

"Bratty heiress Frances Celane visits Perry Mason to inquire about an odd codicil in her father's will, stating she would be disinherited if she married young. Her uncle is the trustee, and stands to inherit everything if Frances marries--which she has. And when her uncle is found murdered, her groom is accused. The Case of the Sulky Girl combines hard-boiled detective work with the first trial in the novels"--Amazon.com.

It seems unsurprising when the banker Sir Garth Fratten drops dead in the street--he had an aneurism that might burst at any time. But his daughter Inez has doubts, and as Detective Inspector Poole of Scotland Yard begins to look at the 'accident' and the events surrounding it, he uncovers an increasingly complex web of fraud, conspiracy, betrayal and murder.