Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

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.

The utterly charming Emily Leverton has a dark past and is determined to leave it behind in her respectable new role as a governess. But when she is recruited by a secret network of governesses who spy on the ton, it may just be a way to redeem the dark secrets of her past. An ex-solider turned railroad magnate, Zach hunts killers for the Metropolitan Police by day and dutifully attends balls at night. In neither world has he met a woman with the brazenness to mock him.

Long-held secrets rise to the surface in a battle of wills that threatens to tear apart everything Kitty and William thought they knew about each other and about love. Because sometimes, happily-ever-afters aren't just granted . . . sometimes, they must be fought for.

London, 1813. With his reputation and inheritance on the line, Lord Percy is determined to win the heart of the coveted diamond of the season. When that beautiful woman vanishes, his failure seems all but certain. Unless, that is, he can find her. Lady Grace is devastated when her best friend disappears. Society may be willing to believe the worst, but Grace knows her friend would never run off without leaving her a clue. Someone kidnapped her—but who?

When Catherine Forster asks a handsome stranger to lead her out of the ballroom and into the Tremberley gardens, she hopes to glimpse its renowned Roman ruins . . . and maybe steal a kiss. But when she and her delectable escort are discovered in a scandalous embrace, Catherine is horrified to learn that she has been kissing John Breminster, heir to the man who ruined her family.

Hugh Philemon Ancaster, seventh Duke of Ripley, will never win prizes for virtue. But even he draws the line at running off with his best friend's bride. All he's trying to do is recapture the slightly inebriated Lady Olympia Hightower and return her to her intended bridegroom. For reasons that elude her, bookish, bespectacled Olympia is supposed to marry a gorgeous rake of a duke. The ton is flabbergasted. Her family's ecstatic. And Olympia? She's climbing out of a window, bent on a getaway.

When Arabella Grant’s wicked aunt dies suddenly, both Arabella and her cousin Lady Isabelle cannot help but feel relieved. She’d made their lives miserable, and now Lady Issie is free to read to her heart’s content, and Bella is free from taunts about her ignoble birth. Their newfound freedom is threatened, however, when Issie’s great-aunt commands her to travel to London for a come-out Issie has never wanted. Issie, who is in poor health, is convinced she’ll drop dead like her mother did if she drops into a curtsy before the queen.

Lady Violet Belmaine emerges from two years of mourning less than enthusiastic about resuming her place in Polite Society. She’s talked into attending a country house party by her French physician friend, Hugh St. Sevier, only to find that the house party guests are preyed upon by a mysterious thief.

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.

Miss Cleopatra Lewis is about to be launched in society by her aristocratic grandfather. But since she has no intention of marrying, she visits a costume emporium specifically to order unflattering dresses guaranteed to put off any prospective suitors. Powerful and charismatic Jacob Astor Addison is in London, acquiring businesses to add to his theatrical holdings in America—as well as buying an emerald for a young lady back in Boston. He’s furious when a she-devil masquerading as an English lady steals Quimby’s Costume Emporium from under his nose.

A dutiful army officer who shuns intimacy. A selfless beauty ready to start living for herself. A chance meeting in the street that leads to love. When Major Spencer Haddock’s father dies, he returns to England as the Earl of Middlefield. He seeks a typical ton marriage, where his wife will provide him with an heir and possibly other children and then they go their separate ways. He intends to find his countess quickly and not waste time at boring social affairs.

Scandal has rocked the city of London. Colin Eversea, a handsome, reckless unapologetic rogue is sentenced to hang for murder and, inconveniently for him, the only witness to the crime disappears. Then again, throughout history, the Everseas have always managed to cheat fate in style: Colin is snatched from the gallows by a beautiful, clever mercenary. Cool-headed, daring Madeleine Greenway is immune to Colin's vaunted charm. Her mission is not to rescue Colin but to kidnap him, and to be paid handsomely for it.

On the outskirts of London sits a seemingly innocuous institution with a secretive aim—train young women to distract, disrupt, and discredit the patriarchy. Outraged by a powerful politician’s systematic attack on women’s rights, the Academy summons its brightest—and most bitter—pupil to infiltrate the odious man’s inner circle. A deal is struck: bring down the viscount, and Miss Euphemia Flite will finally earn her freedom.

Sir Benedict Silverwood needs a new wife. Kate Moreton, an impoverished spinster and Italian teacher, is an outlandish suggestion, but one that grows on Benedict, alongside his attraction to Kate. Kate has been hopelessly in love with him for years so the idea of marriage when he doesn’t reciprocate her feelings is appalling, but so very tempting at the same time. Sparks fly and passion flares after the wedding, but it becomes clear that incendiary secrets threaten Kate and Benedict’s fragile new life together.