Beautiful, bold, and brilliant Avery dreams of becoming a member of the Royal Astronomical Society - and the only way she can join the all-male society is to disguise herself as a boy. After helping Giles, Lord Strand, escape a disastrous engagement she is certain he will assist in her daring masquerade. No lady would ever come up with such a preposterous scheme, and no gentleman would accept . . . but fortunately for Avery, Giles is no gentleman.

From Julia Quinn, author of the Bridgerton series, now streaming on Netflix - writing along with close friends and popular authors Eloisa James and Connie Brockway - comes The Ladies Most...: a duo of cleverly crafted novels, The Lady Most Likely and The Lady Most Willing, together for the first time. 

For as long as she can remember, beautiful Laurel deCourtney has loved Matthew Hughes and has always assumed the handsome landowner and consummate gentleman loves her in turn. But with her coming out now three years behind her, Laurel is starting to get a little anxious. Why hasn't Matthew proposed? What is he waiting for?

Lady Catherine "Cat" Sinclair must rescue her impoverished family by marrying a wealthy suitor. But there is one problem: she knows nothing of seduction. But Thomas Montrose - a rake who has long set the town ablaze with his passion - may be able to help. Can Cat persuade him to give her a few scandalous lessons? But he may get schooled....

Determined to prove her worth as a budding archeologist, Genisse Braxton vows to solve one of the world's greatest mysteries - to find the location of the lost city of Zerzura. Unfortunately, no man dares take the risk of escorting the resolute young scholar across the open desert. But on her way to Egypt, Genisse engages in a daring deception - she will switch places with Mildred Whimpelhall, who is traveling to meet her fiancé....

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. 

The arrogant Duke of Trent intends to marry a well-bred Englishwoman. The last woman he would ever consider marrying is the adventuresome Merry Pelford - an American heiress who has infamously jilted two fiancés. But after one provocative encounter with the captivating Merry, Trent desires her more than any woman he has ever met. He is determined to have her as his wife, no matter what it takes. And Trent is a man who always gets what he wants.

A decade ago, the Marquess of Bourne was cast from society with nothing but his title. Now a partner in London's most exclusive gaming hell, the cold, ruthless Bourne will do whatever it takes to regain his inheritance - including marrying perfect, proper Lady Penelope Marbury. A broken engagement and years of disappointing courtships have left Penelope with little interest in a quiet, comfortable marriage, and a longing for something more. How lucky that her new husband has access to an unexplored world of pleasures.

Wealthy and ruthless, Gabriel Duke clawed his way from the lowliest slums to the pinnacle of high society - and now he wants to get even. Loyal and passionate, Lady Penelope Campion never met a lost or wounded creature she wouldn’t take into her home and her heart. When her imposing - and attractive - new neighbor demands she clear out the rescued animals, Penny sets him a challenge. She will part with her precious charges, if he can find them loving homes.

After years of living as London’s brightest scandal, Lady Sesily Talbot has embraced the reputation and the freedom that comes with the title. No one looks twice when she lures a gentleman into the dark gardens beyond a Mayfair ballroom...and no one realizes those trysts are not what they seem. No one, that is, but Caleb Calhoun, who has spent years trying not to notice his best friend’s beautiful, brash, brilliant sister.

When Sophie, the least interesting of the Talbot sisters, lands her philandering brother-in-law backside first in a goldfish pond in front of all society, she becomes the target of very public aristocratic scorn. Her only choice is to flee London, vowing to start a new life far from the aristocracy. Unfortunately, the carriage in which she stows away isn't saving her from ruin. It's filled with it.

A lady does not smoke cheroot. She does not ride astride. She does not fence or attend duels. She does not fire a pistol, and she never gambles at a gentlemen's club. Lady Calpurnia Hartwell has always followed the rules, rules that have left her unmarried - and more than a little unsatisfied. And so she's vowed to break the rules and live the life of pleasure she's been missing. But to dance every dance, to steal a midnight kiss - to do those things, Callie will need a willing partner. Someone who knows everything about rule-breaking. Someone like Gabriel St. John, the Marquess of Ralston....

As the daughter of a famed author, Isolde Ophelia Goodnight grew up on tales of brave knights and fair maidens. She never doubted romance would be in her future, too. The storybooks offered endless possibilities. And as she grew older, Izzy crossed them off. One by one by one....Now Izzy's given up yearning for romance. She'll settle for a roof over her head. What fairy tales are left over for an impoverished 26-year-old woman who's never even been kissed?

Devon Ravenel, London's most wickedly charming rake, has just inherited an earldom. But his powerful new rank in society comes with unwanted responsibilities...and more than a few surprises. His estate is saddled with debt, and the late earl's three innocent sisters are still occupying the house - along with Kathleen, Lady Trenear, a beautiful young widow whose sharp wit and determination are a match for Devon's own.

Already notorious for the golden hair that proves her mother’s infidelity, Lady Joan can’t seem to avoid scandals, but her latest escapade may finally ruin her: she’s determined to perform the title role of a prince - in breeches, naturally. She has the perfect model for an aristocratic male in mind: Thaddeus Erskine Shaw, Viscount Greywick, a man who scorned the very idea of marrying her. Not that Joan would want such a dubious honor, of course.

In the glittering world of Regency England, Anne Wilder plays a dangerous game. A widowed lady by day, by night she becomes a masked thief preying on society's elite. She roves high above London's black rooftops, compelled by phantoms from her past to take ever greater risks. Until her restless spirit led her into Colonel Jack Seward's trap...where seduction may be her only way out.

Determined to prove her worth as a budding archeologist, Genisse Braxton vows to solve one of the world's greatest mysteries - to find the location of the lost city of Zerzura. Unfortunately, no man dares take the risk of escorting the resolute young scholar across the open desert. But on her way to Egypt, Genisse engages in a daring deception - she will switch places with Mildred Whimpelhall, who is traveling to meet her fiancé....

For as long as she can remember, beautiful Laurel deCourtney has loved Matthew Hughes and has always assumed the handsome landowner and consummate gentleman loves her in turn. But with her coming out now three years behind her, Laurel is starting to get a little anxious. Why hasn't Matthew proposed? What is he waiting for?

While recovering at his uncle's estate from wounds sustained in the Sudan, Jack Cameron - a loyal Scottish captain in the British army - is haunted by the words of a dying officer: one of her majesty's Black Dragoons is aiding the slavers they were sent to suppress. But how will he uncover the traitor without sending the culprit to ground?

Lady Catherine "Cat" Sinclair must rescue her impoverished family by marrying a wealthy suitor. But there is one problem: she knows nothing of seduction. But Thomas Montrose - a rake who has long set the town ablaze with his passion - may be able to help. Can Cat persuade him to give her a few scandalous lessons? But he may get schooled....

Beautiful, bold, and brilliant Avery dreams of becoming a member of the Royal Astronomical Society - and the only way she can join the all-male society is to disguise herself as a boy. After helping Giles, Lord Strand, escape a disastrous engagement she is certain he will assist in her daring masquerade. No lady would ever come up with such a preposterous scheme, and no gentleman would accept . . . but fortunately for Avery, Giles is no gentleman.

Pretty and popular, Miss Clare Westmore knows exactly what (or rather, who) she wants: the next Duke of Harrington. But when she twists her ankle on the eve of the Season's most touted event, Clare is left standing in the wallflower line watching her best friend dance away with her duke.

Determined to prove her worth as a budding archeologist, Genisse Braxton vows to solve one of the world's greatest mysteries - to find the location of the lost city of Zerzura. Unfortunately, no man dares take the risk of escorting the resolute young scholar across the open desert. But on her way to Egypt, Genisse engages in a daring deception - she will switch places with Mildred Whimpelhall, who is traveling to meet her fiancé....

Lady Beatrix Danbury had always known she would marry William Mallory. She'd loved him forever and she'd never doubted he loved her, too. But when she made him choose between their life together or his lifelong dream, Will chose the latter... and left two weeks before their wedding. Will has no illusions that Beatrix would welcome him back with open arms, but six years did not dim his love or desire for her. The only problem is, she's about to marry someone else.

Phillippa Benning is the unrivaled beauty of the Season. But when another lady challenges her for a marquis's attentions, Phillippa entices him to a secret rendezvous only to stumble upon The Blue Raven, England's most famous spy, lurking at the site of her planned tryst. The Blue Raven has uncovered an enemy plot directed at upcoming society functions, but he's unable to infiltrate London society.