Newlyweds Charles and Kate Sheridan host an auto exhibition at Kate's ancestral home, attended by Europe's foremost investors and inventors. But competition, speed and money+more explosive than gasoline+are deadly for one auto builde...

Kathryn Ardleigh, an outspoken, free-thinking American, accepts employment with a kindly maiden aunt living in Victorian England and finds herself investigating a mysterious death at an archaeological excavation and two other murders ...

At Britain's most notorious prison, Lord Charles Sheridan, his clever American wife Kate, and his acquaintance Arthur Conan Doyle, must determine why one of its most infamous inmates confessed to a crime he clearly didn't commit.

Invited to Blenheim Palace, home of the Duke and Duchess of Marlborough, married scholars Charles and Kate Shreridan, writing a book on a centuries-old scandal, investigate the recent kidnapping of a young maid and the mysterious disa...

When an anarchist accidentally blows himself up with a bomb intended for the royal family during the new king's coronation ceremony, Kate and Charles Sheridan join the investigation to uncover who is threatening the British crown, a p...

When two murders occur during the weekend party of the unladylike Countess of Warwick, the Prince of Wales, hoping to avoid a scandal, orders Sir Charles and Miss Ardleigh to solve the case.

The Sheridans are on the scene at Derby Day in Epsom Downs--Charles is taking photographs and Kate is gathering information for her latest novel--but the race becomes life-or-death when one of the jockeys does not make it to the finis...

At the request of King Edward, Lord Charles Sheridan and his American wife, Kate, become embroiled in a sensitive mystery surrounding the murder of a servant at historic Glamis Castle, where they discover that the king's elder brother...

Jennie Jerome Churchill calls on Kathryn Ardleigh and her husband, Charles, to clear the family name when allegations arise that her husband was related to Jack the Ripper, a charge that could threaten her son's political ambitions. O...

For Kathryn Ardleigh and her newly Lorded husband Charles, a seaside holiday in Rottingdean is a needed rest. The cozy hamlet is built on a labyrinth of 100-year-old tunnels that once were used by smugglers. But when a coast guard's b...

Cornwall is rich with natural wonders: gorgeous shorelines and imposing cliffs. But these natural beauties conceal dangerous secrets, as amateur detectives Lord and Lady Sheridan discover. Lizard Village, 1903: Wireless telegraph co...