Self-made civil engineer Geoffrey Brookhouse has unexpectedly inherited the dukedom of Greenwood. But he has a secret that could ruin his family. Hoping to save his timid sister from that fate, he seeks to marry her off to a respectable, protective gentleman. With the London Season imminent, Geoffrey hires Elegant Occasions to orchestrate her debut. Yet Lady Diana Harper, spirited fashion expert, proves more than he bargained for. Suddenly, Geoffrey’s sister is emerging from her shell, and he is beleaguered with social invitations and gossip!

Griff Knighton's found the perfect way to avoid being trapped into marriage with one of the Earl of Swanlea's daughters: He'll swap identities with his man of affairs during their next visit to Swan Park, and be free to pursue his own desires! After all, he's not about to marry some homely spinster just to claim his rightful title. But Griff didn't reckon on the brazen, voluptuous Rosalind, who could tempt even a saint into sinning, and Griff is no saint.

A past kiss with adorably bookish Miss Olivia Norley should be barely a memory for Marlowe Drake, the duke of Thornstock. After all, there are countless debutantes for a handsome rakehell to charm beyond a young lady whose singular passion is chemistry - of the laboratory type. But Thorn has not forgotten - or forgiven - the shocking blackmail scheme sparked by that single kiss, or the damage caused to both their names. Now Thorn’s half brother, Grey, has hired the brilliant Miss Norley for her scientific expertise in solving a troubling family mystery.

Along with his stepsiblings, Sheridan Wolfe, Duke of Armitage, is determined to finally solve the mysteries behind the suspicious deaths of their mother's three husbands. Tasked with investigating a possible suspect, Sheridan finds himself in dangerous proximity to her captivating daughter, Vanessa Pryde. But still haunted by a tragically lost love, the duke is resolved to resist the attraction - and avoid any "scheming" husband-hunters. Besides, lovely Miss Pryde seems utterly smitten with a roguish London playwright....

War hero Alistair Carsington really really loves women, and his romantic impulses have landed him in nearly as much danger as the Battle of Waterloo. To avoid his usual temptations and perhaps even repay the friend who saved his life, he's exiled himself to a place far from civilization - Derbyshire - in winter! Fate laughs at his good intentions and drives him straight into conflict with Miss Mirabel Oldridge, his match in tenacity, intelligence, and deviousness - who also happens to be wildly irresistible.