A brutal murder. A reluctant alliance. Can an arrogant duke and a passionate reformer find a killer before their loved ones are condemned to the gallows? London. 1889. Lady Rosalynd Rosehaven. Fierce advocate of women's causes. Responsible for the upbringing of her beloved brothers and sisters, she considers herself a spinster. The Duke of Steele.

A leader at the House of Lords who answers to only himself. A widower who's sworn never to marry again. Although they once worked together to locate a stolen necklace, their paths have not crossed again. But when her cousin is suspected of her husband's murder and the duke's brother is implicated as well, Steele suggests they join forces to investigate the killing. Such an alliance would upset Rosalynd's well-ordered life. She'd found the duke arrogant, aloof, and . fascinating. However, she has no choice but to accept his offer.

Proving her cousin's innocence takes precedence over her nonsensical misgivings. As they track down clues from the opulent mansions of Mayfair to the sordid streets of St. Giles, they don't lack for suspects. Few had a good opinion of the victim who was considered a swindler, a card sharp, and worse. When a clue comes to light that leads to her cousin's arrest, Rosalynd embarks on a dangerous course. Can the duke stop her mad quest before she pays with her life? From the pen of USA Today Bestselling Author Magda Alexander comes this captivating Victorian historical mystery romance. Fans of the Bow Street Duchess Mysteries and the Angus Brodie & Mikaela Forsythe series will love A Murder in Mayfair, Book 1 in The Rosalynd and Steele Mysteries.