Lady Hannah Simmons is a quintessential wallflower, unassuming, dowdy yet ignored by most. But underneath her plain exterior, Hannah is hiding a thrilling secret! Unbeknownst to the rest of the ton, she is Queen Victoria’s leading femme fatale, slipping unnoticed through the streets of London and listening to scandalous whispers from lords and ladies. But with daggers in her stockings and pistols in her pockets, Hannah's mission is to apprehend a deadly killer.

Olivia Denis is a content young wife with a carefree life in late 1930s London. Then her world is shattered with the violent death of her husband, Reggie. The police want to call it a suicide and close the case, but Olivia knows Reggie couldn't possibly have fired the fatal shot. Further mysteries surface surrounding her husband's death. Did the trustworthy Foreign Office employee betray government secrets? Was his murder linked to the death of a German embassy clerk the same night? And who searched their flat?

Lady Gemma Lively’s life as the darling of London’s fast set was carefree and fun, filled with exciting friends, daring fashions, and scandalous parties. But when the death of her father leaves her family with nothing but a dilapidated coaching inn at the end of the Earth, it’s up to Gemma to change their fate. She needs a rich husband immediately—but the only bachelor in sight is a devilishly distracting barkeep who doesn’t know the peerage from a pint glass.

Born with a perfect memory, Lady Elizabeth Beckett has become one of the world's most notorious spies, despite being the daughter of a duke. She is shielded only by her code name: Shadow. When young ladies of High Society begin disappearing from London, Eliza has no doubt who is orchestrating these crimes; a heinous man she has been investigating for years. Vowing to save them before they are sold to the highest bidder, she must risk everything to stop him.

Georgiana Allen is a spinster, and everybody knows it. She also happens to be one of the writers for the Spinster Chronicles, and everybody knows that, as well. She’s accepted her lot in life, and along with the other spinsters in her circle, takes great pride in the articles she writes and the influence she has. Then, Captain Anthony Sterling infiltrates their group and her life, and Georgie impossibly begins to hope, once more.

After a disastrous wedding night followed by eighteen months of isolation at her husband's country estate, the Duchess of Southwick has grown tired of being lonely. There's only so many books a person can read, and Mara has read most of them twice. So she's made a decision. For the first time since her wedding, she's traveling to London. And while she's there, this meek, shy mouse of a wallflower who has never met a shade of beige she didn't like will do the unthinkable.

Diana Boyle, a wealthy young widow, has no desire to ever marry again. Particularly not to someone who merely wants her for her fortune. So when she discovers that she’s listed in a directory of rich, single women she is furious, and rightly so. She confronts Maxwell Dean, the man who published the Bachelor’s Directory, and is horrified to find he is far more attractive than his actions have led her to expect. However, Diana is unmoved by Max’s explanation that he authored the list to assist younger sons like himself who cannot afford to marry unless it’s to a woman of means.

Even an earl needs his ride-or-dies, and Archibald Fielding-Burton, the Earl of Harcourt, counts himself lucky to have two. The annual trip that Archie takes with his BFFs Simon and Effie holds a sacred spot in their calendars. This year, Archie is especially eager to get away, until an urgent letter arrives from an old family friend, begging him to help prevent a ruinous scandal. Suddenly, the trip has become earls-plus-girls, as Archie's childhood pals, Clementine and Olive Morgan, are rescued en route to Gretna Green.

Peter Kent—newly inherited Duke of Stanhope and recently of New Orleans, Louisiana—must become respectable. Between his radical politics and the time he interrupted a minor royal wedding with a flock of sheep—not his fault!—he’s developed a scandalous reputation at odds with his goal of becoming guardian to his half-siblings. For help, he turns to the cleverest and most managing woman of his acquaintance, Lady Selina Ravenscroft.

She's an unconventional lady who has traveled the world, practices the art of self-defense most excellently, and has an interesting tattoo in—ahem—a very unusual place. He's a former member of the Metropolitan Police, now a private investigator, who grew up on the poverty-ridden streets of Edinburgh and has worked the dangerous back alleys of London's notorious East End. A vicious murder brings them together in a race against time that takes them from the sordid back streets of London into the elite private clubs of the powerful and rich.

The Duke of Brandon is London’s most infamous rake. But his world crashes to a decided halt when the sins of his past come back to haunt him in the form of one small she-devil of a child who has green eyes just like his. To make matters worse, his disapproving grandmother has decided that he must marry or forfeit his inheritance. Now, he has no choice but to raise a daughter, find a wife, and keep his harridan grandmother from discovering his sordid secrets as the founder of the Wicked Dukes Society.

Terrified he may be going mad, he must keep the disturbing skill secret. But when it proves helpful in tracking his would-be killer, he has no choice but to embrace the newfound power. The retrocognition leads him to the house of a man recently deceased, where he encounters the clever and intriguing Miss Matilda Wren—who may be able to help him solve the many questions raised by the attack.

It was whispered all through London Society that Ian Mackenzie was mad, that he’d spent his youth in an asylum, and was not to be trusted - especially with a lady. For the reputation of any woman caught in his presence was instantly ruined. Yet Beth found herself inexorably drawn to the Scottish lord, whose hint of a brogue wrapped around her like silk and whose touch could draw her into a world of ecstasy.

England, 1865: Newspaper columnist Lady Katherine Bascomb finds herself the subject of speculation when her latest article leads to an arrest in the murders plaguing London. The English believe women ought not to write about such vulgar things as crime, and a particularly attractive detective inspector is incensed that she's interfered with his investigation. To escape her sudden notoriety, Katherine heads to the country - only to witness a murder upon her arrival.

Lady Ludmilla Windmere is mortified. The spinster extraordinaire has fallen in love with her best friend, and that cannot be. The problem? She hasn't met him. Not once. For they have only ever corresponded by letter. When she sets out to uncover his identity, her world shatters. For Addy turns out to be none other but London's worst rake. Adrian St. Addington is perturbed. The rakehell extraordinaire is developing a marked tendre for a spinster, and that cannot be. The problem? She might be mistaking him for someone he is not. Or, what is worse, know precisely who he is.