India Steele is desperate. Her father is dead, her fiancé took her inheritance, and no one will employ her, despite years working for her watchmaker father. Indeed, the other London watchmakers seem frightened of her. Alone, poor, and at the end of her tether, India takes employment with the only person who’ll accept her–an enigmatic and mysterious man from America. A man who possesses a strange watch that rejuvenates him when he’s ill.

India Steele is desperate. Her father is dead, her fiancé took her inheritance, and no one will employ her, despite years working for her watchmaker father. Indeed, the other London watchmakers seem frightened of her. Alone, poor, and at the end of her tether, India takes employment with the only person who'll accept her - an enigmatic and mysterious man from America, a man who possesses a strange watch that rejuvenates him when he's ill.

When an apprentice from the Mapmakers' Guild goes missing, Matt and India are employed to find him. Going undercover as a married couple, they discover that not everyone at the guild is what they seem, and the lad's unearthly maps caused jealousy, suspicion and fear. With one of the apprentice's magic maps in their possession, India and Matt must use their wits and India's fledgling, untried magic to find him.

When Dr. Hale is murdered, Matt becomes a suspect. With Matt's nemesis Sheriff Payne influencing the investigating detective, India and Matt know they must find the real killer, or risk his freedom, and ultimately, his life. Time is running out as they hunt for a killer capable of turning medicine into poison with a magic spell, as well as continue the search for Chronos. A search that must end in success before Matt's malfunctioning watch stops altogether.

India and Matt thought all their problems would come to an end once they found Chronos. But the watch magician brings with him as many questions as answers, and a load of trouble. To fix Matt's magic watch, they must find an old diary that once belonged to a doctor magician murdered decades ago. The hunt drags them into a sordid mystery involving two of London's craft guilds. With old and new enemies determined to stop them, and long-held secrets unearthed, Matt and India must work together better than ever.

To find the one man who can fix the magic in Matt's watch, he and India are led to a convent where the nuns will do anything to keep their secrets private. Including murder? Matt and India must uncover the truth behind the disappearance of the mother superior and two babies given to her care many years ago. But sometimes, the truth is painful and its exposure can have deadly consequences.  

When the editor of The Weekly Gazette is killed, controversial journalist and ink magician, Oscar Barratt, asks India and Matt to investigate. As the recipient of threatening letters written on magic paper, he believes he was the intended target. With suspects ranging from Oscar's brother to guild masters and London's elite, India and Matt have a lot of investigating to do. But the more they dig, the more dark secrets they uncover.

The arrival of Buffalo Bill's Wild West show in London brings trouble. When the sharpshooter who beats Willie at poker is murdered, Matt and India investigate. Willie is convinced the victim cheated, but no one knows how until India discovers his secret - he was a paper magician. When their list of suspects grows to include a member of the mysterious magic Collector's Club, they uncover a spy. But who is he working for? And what does his employer want? 

India's study into the language of spells is interrupted by the arrest of her teacher for an unpaid debt. Before Matt can repay it for him, the powerful magician escapes from his prison cell. To make matters worse, the moneylender is murdered and the magician is implicated. Convinced of his innocence, India and Matt must discover who really killed the moneylender before the police find the magician. Their investigation leads them down a path littered with lies, betrayal, scandal, and interference from people they don't trust.

A sordid scandal rocks the Glass household and threatens to ruin Matt's family unless he can suppress it. But after word gets out, and a rare magical coronet is stolen, he and India find themselves scrambling to recover the heirloom and suppress the gossip before reputations are ruined. To make matters worse, someone is sending threatening letters to the magicians of London, stirring up trouble between the artless and magicians. Tensions are rising, but India and Matt choose not to investigate - until the author of the letters is assaulted.

To investigate the source of gossip about Cyclops, Willie does the unthinkable: She dons a dress. However, her plan goes awry when she’s kidnapped by a disgruntled magician with the power to detonate gunpowder at will. The magician forces India and Matt to race all over London in the hunt for her before the bombs go off.

Are curses real? After a toymaker magician gives a lecture at a collector’s club soiree, an important spell is stolen and a man is found strangled. The investigation into his murder leads India and Matt to the colorful and dangerous world of the Romany gypsy where curses are used as weapons against their enemies. But nobody seems to know if curses are real or not. As Matt and India close in on the killer, old foes bring trouble into their lives. With the threat of exposure hanging over London’s magicians, disaster is never far away.

With knowledge of magic becoming more widespread in London, magicians find themselves highly sought after. Consumers want to buy their wares and so seek out magicians among their acquaintance. India’s rare magic is in demand from Matt’s family, the Collector’s Club, and other magicians who want her to extend their magic. But it’s wise to be wary of the attention. When the wool magician who helped India create a flying carpet spell disappears, his wife is worried for his life. India and Matt are worried for the country.

The Goldsmith’s Conspiracy is the final book in the best-selling Glass and Steele series. Tensions between the artless and magicians are flaring, but India and Matt discover someone is deliberately fuelling the flames. Relentlessly pursuing his own agenda, Lord Coyle employs the former master of the Watchmaker’s Guild to make trouble and be a thorn in India’s side. But India has the ear of the government now, and her own political influence is growing, something which pushes Lord Coyle over the edge.