Jenny O'Brien Books in Order

Student nurse Liddy Murphy has learned to smile, work hard, and keep her heart guarded. When she meets hospital professor Mitch Merrien, attraction grows, but a crisis forces them to confront guilt, fear, and what they truly want.

Bullied Dai Monday thinks his name is trouble enough, until a mystery at Conwy Castle draws him into a hunt for King Arthur's crown. With crooks, ghosts, dragons, and magic in the way, Dai must find his courage.

Lady Sarah Cosgrave needs a fiancé before her twenty-third birthday to secure her inheritance. A fake relationship with handsome French builder Pascal de Sauvarin seems practical, until real feelings collide with the demands of her family and social world.

On the final day of the Dunkirk evacuation, Sally and her grandfather wait for news of her brother Robert. Refusing to remain helpless, Sally takes their small houseboat out to sea, where a soldier offers unexpected help.

In this short prequel, Mr Hopper, butler to the Earl of Cosgrave, visits Blackpool and meets Beverley at a dance competition. She is in trouble and ready to run, while Hopper finds a reason to hope for love again.

Holly Branch distrusts men after a disastrous marriage, while Lord Oliver Ivy is hiding from his own losses. Stranded together in Cornwall during a snowstorm, the two strangers must decide whether Christmas can offer a second chance.

Recently widowed concert pianist Lady Cara Bachmeire seeks a quieter life in Manhattan. A shared key to Gramercy Park brings lawyer Matti Bianchi into her world, but his work may threaten the fragile future Cara is trying to build.

Lady Titania Nettlebridge escapes an arranged marriage by taking a cook's job in Scotland. The trouble is that her new employer is Viscount Hector Brayely, the very man she is meant to marry, and neither is ready for the truth.

Dai Monday's purple-dreadlocked, Harley-riding Granny Gosh has disappeared in Guernsey. With his best friend Win and the interfering ghost of King Arthur, Dai sets off on a funny, magical hunt to bring her home.

Stepsisters Victoria and Ness inherit a Dutch house from a stranger, then Ness vanishes after going to investigate. Victoria leaves Guernsey for the Netherlands, where missing memories, suspicious messages, and a watchful threat make every answer dangerous.

Christine wakes beside her murdered housemate with no memory of the man she brought home. DC Gaby Darin must untangle an impossible crime, then find a second missing woman before the killer turns their attention toward her team.

Years after Angelica Brock was found posed in a white nightdress, her murder remains unsolved. For DS Gaby Darin, the cold case is painfully close to home, and a new clue may connect Angel's death to another crime.

Five years after Izzy Grant's partner and newborn daughter disappear, a note says they are alive and must not be found. Newly transferred DC Gaby Darin reopens the case, convinced its most important clue lies in Izzy's past.

Hannah Thomas comes home from a night away to find her fiancé dead and her young son missing. DI Gaby Darin soon learns that Hannah's painful past may hold the key, but every answer seems to reveal another lie.

Ten-year-old Elodie Fry disappears overnight, leaving DI Gaby Darin desperate to find her. When an unsettling discovery at a crematorium points toward the same hidden danger, Gaby must connect the cases before Elodie is lost for good.

When seventeen-year-old Bryony vanishes after being dropped at a friend's house, DI Gaby Darin sees echoes of another missing teenager. A third linked case raises the stakes as Gaby races to find the girls before time runs out.

Detective Alana Mack finds an abandoned two-year-old girl and a note begging police not to find her mother. As human remains and another disappearance complicate the case, Alana must protect Casey while uncovering a frightening family secret.

Human bones found in a crab pot pull Detective Alana Mack into a case of adoption, vanished mothers, and old family lies. After an attack leaves Alana injured, she must keep working before the killer erases more evidence.

Detective Alana Mack investigates women murdered near railway tracks, each with a red rose left on a freshly made bed. When another woman disappears from a train, Alana must determine whether a killer is escalating or someone is copying them.

In 2018, Kitty discovers a notebook hidden with an old violin and follows its clues to Guernsey. Decades earlier, nurse Evelyn Nightingale risks everything under German occupation to protect vulnerable newborns from a terrible fate.

After her brother goes missing at Dunkirk, eighteen-year-old Lenny Gallienne joins a secret wartime operation and heads to Paris. Working undercover in a bookshop, she encodes intelligence in knitting patterns while the Gestapo closes in.

During the Second World War, parachute packer Flora Toussaint is sent from Manchester to occupied Paris to expose a traitor. Among dressmakers, fashion houses, and the world of Le Moulin Rouge, every stitch may hide a dangerous secret.