Helena Dixon Books in Order

Jane Treen races from Whitehall to Devon when codebreaker Arthur Cilento is threatened and the village teashop owner is found dead among the cakes. As cosy rituals mix with coded messages and dangerous loyalties, Jane must decide who to trust before the next pot of tea is poured.

On a 1938 ocean voyage, Kitty and Matt are hoping for rest when a passenger is found dead aboard their luxury liner. Trapped at sea with a ship full of suspects, they must unravel tangled alibis and long held secrets before the killer walks free at the next port.

War Office administrator Jane Treen is pulled from her London desk when a woman linked to her agents is dragged from a Devon lake. With reserved codebreaker Arthur Cilento and her cat Marmaduke, she must uncover a murderer and a possible traitor hiding in a quiet village.

A newspaper clipping sends Jane Treen back to the seaside town where she grew up after a body is found on the beach. Working from her crumbling clifftop childhood home with Arthur and Marmaduke, she sorts through doctors, artists and old sweethearts to net a killer in wartime surf.

Called to the Cornish village of St Mawes, Kitty looks into the supposed drowning of an aristocrat and attempts on his daughter's life. When poisoned chocolates meant for the young heiress kill another guest instead, Kitty and Matt must untangle seaside flirtations, inheritance worries and simmering resentments.

When government typist Tabitha Moore fails to arrive for a meeting and is later found strangled, Jane Treen's Secret Detective Agency is pulled into a case rooted in wartime London. From a dashing fiancé to jealous colleagues and a charming newsreader, everyone near Tabitha has something to hide.

On a trip to Paris, Kitty is captivated by a fashion show until one of the models is found dead with dressmaking scissors nearby. As she and Matt investigate jealous lovers, ambitious colleagues and a frightened sister, a second attack forces them to confront the sisters' hidden past.

After a sparkling engagement ball at Markham Hall, Kitty's morning walk with her dog ends at the body of a young maid. A broken safe, stolen jewels and another corpse in the lake leave her and Matt sorting through staff gossip and aristocratic secrets to stop a weekend of celebrations becoming a tragedy.

Visiting friends who have bought eerie Midwinter Farm, Kitty is present when workmen uncover the remains of the farmer who vanished months before. With local police uninterested, she and Matt explore tense family ties, village grudges and a nearby jewel robbery to reveal what really happened on that icy night.

In Nice, Kitty and Matt are supposed to track down a missing man for Whitehall while enjoying sunshine by the sea. A killing at their grand hotel draws them into a maze of gamblers, playboys and secrets, where even holiday romances may hide deadly intentions.

A leisurely drive and stop at a cider farm ends with Kitty discovering the owner crushed by his own press. Brushed aside by the new detective inspector, she and Matt investigate feuding relatives and staff, only for a second body to prove the case is far from accidental.

Rushing to New York after a worrying telegram about her father, Kitty quickly finds herself investigating the death of her glamorous hostess, found in Central Park minus her jewels. From costume parties to snow covered avenues, Kitty and Matt chase a killer among high society and staff alike.

On a spring trip to an island hotel before its grand opening, Kitty and her friend Alice expect sea air and luxury. When the owner is found shot in his locked study and a storm cuts off the island, Kitty must sift friends from foes on the guest list.

As Kitty and Matt enjoy a village fair on their delayed honeymoon, a visit to the fortune teller's tent ends with Madame Zaza dead over her tea and crystal ball. Sifting through decades of village history, they piece together old secrets before the killer strikes again.

Snowed in at a remote Highland castle for New Year, Kitty and Matt wake to find their host shot dead outside, the weapon and footprints missing from the fresh snow. With rumours of spirits swirling and family tensions crackling, they must unmask a very human murderer.

At a glittering winter charity ball, Kitty Underhay's evening collapses when her father discovers their hostess strangled with her own silk stocking and is arrested for the crime. To clear him, Kitty and Matthew dig into family motives, jealous guests and a second, chilling poisoning.

Helping her old nemesis run a beauty contest at the Dolphin Hotel, newlywed Kitty is horrified when a leading contestant disappears and is found dead. Anonymous threats and a second suspicious death send Kitty and Matt searching behind the pageant's smiles for someone willing to kill for a crown.

A birthday cruise aboard a paddle steamer promises glamour until the man Matthew has been secretly tailing is found dead in the engine room and a diamond necklace vanishes in a blackout. Surrounded by powerful guests, Kitty and Matt hunt a murderer who is not afraid of deep water.

Kitty Underhay's wedding plans are derailed when a former comrade of Matthew Bryant is found stabbed in his locked first class compartment. As suspects close ranks and another passenger dies, Kitty must read the carriage carefully before a ruthless killer reaches their final stop.

An outing to Torbay Country Club turns deadly when Kitty discovers the owner shot with an arrow after a display of archery. With a temperamental Russian dancer, ambitious sportsmen and social climbers on the scene, she must score match point before the killer strikes again.

Seeking a quiet winter visit at Enderley Hall, Kitty instead finds the parish clerk dead on her doorstep and the village vicar hanging from the church bell rope. Alone, she probes parish quarrels, jealousies and a lingering sense of danger stalking the churchyard paths.

At her cousin's castle wedding in Yorkshire, Kitty is acting as bridesmaid when a gunshot kills the valet and rattles the groom's best man, who has been receiving blackmail notes. As the celebrations falter and masonry literally falls, Kitty and Matthew race to prevent another fatal accident.

Calling on an old enemy in a nursing home, Kitty walks straight into the suspicious death of an elderly patient. When more residents die and a frightened nurse falls from the roof, Kitty and Matthew suspect someone is using Elm House to cover calculated murder.

Representing the Dolphin Hotel at a hoteliers' dinner dance, Kitty watches a powerful councillor collapse after taking his usual remedy for indigestion. When another man linked to a council scandal also dies, Kitty and Matthew wade through business deals and family squabbles to uncover who spiked the powders.

As Matthew nurses hurt feelings after an argument with Kitty, he is arrested for the strangling of an ambitious actress whose body is found with his bootlace around her neck. Kitty steps into the theatre world, where old scandals and fierce rivalries give almost everyone a motive.

Invited to stay with newly discovered relatives at Enderley Hall, Kitty is barely unpacked before a long serving nanny lies dead at the bottom of the stairs and secret government papers vanish. Calling on Matthew Bryant, she untangles country house loyalties, politics and murder.

Running the Dolphin Hotel while her grandmother is away, Kitty Underhay prepares for a glamorous masked ball and a visiting jazz singer. A string of break ins, rumours of a stolen ruby tied to her missing mother and a shocking murder soon turn the elegant seaside hotel into a dangerous crime scene.