Sally is sixteen and uncommonly pretty. Her knowledge of English literature, French, history, art and music is non-existent, but she has a thorough grounding in military tactics, can run a business, ride like a Cossack and shoot straight with a pistol. When her dear father is drowned in suspicious circumstances in the South China Sea, Sally is left to fend for herself, an orphan and alone in the smoky fog of Victorian London. Though she doesn't know it, Sally is already in terrible danger. Soon the mystery and the danger will deepen - and at the rotten heart of it all lies the deadly secret of the ruby in the smoke...

The year is 1878, and Sally Lockhart has started her own financial consulting business. When a client loses a fortune in the unexpected collapse of a British shipping firm, Sally is determined to find out why. But as she comes closer to learning the identity of the firm's elusive owner, she discovers that her questions are far from simple—and that the answers could cost her her life. "Fraud, fire, and bloody murder pursue Sally Lockhart in a fine sequel to The Ruby in the Smoke. Sally, now 22, is in business as a financial consultant. When she and her friends challenge corrupt financial interests, they find themselves in a web of intrigue that stretches from fetid slums of the poor to the corporate offices of the richest man in Europe. Sally's detective work reveals the connections between corrupt power and broken lives. The action is fast, scenes are tight and dramatic, the language is vivid, and the wealth of minor characters are sharply individualized. An immensely entertaining thriller."—(starred) Booklist. Reading 6.7.

Pullman is fast becoming a modern-day Dickens for young adults. The setting is the same, the strong eye for characters is there, as are the brooding atmosphere, the social conscience, and the ability to spin plot within plot. Sally Lockhart is now a young woman, left alone with a toddler. Nothing prepares her for the shock of receiving a summons from a man she has never even heard of, suing for divorce and the custody of her beloved Harriet. Sally struggles against the net closing around her, seeking to find out who is persecuting her and why. The writing style is lively and direct, and there's lots of action. "This is a suspense novel with a conscience, and a most enjoyable one."— School Library Journal.

Sally Lockhart's friend and partner-in-adventure Jim Taylor has just solved a mystery. For years he's been searching for Adelaide, the little girl enslaved by toothless crone Mrs Holland in The Ruby in the Smoke. And now he's found her - just as she's about to become a princess. Crown Princess of Razkavia, to be exact, and a princess in danger. Her future husband is desperate to protect his bride, and employs Jim as their bodyguard - Razkavia's quaint little streets are full of danger.