Australia, 1847. The last thing Mellie Vale remembers before the fever takes her is sprinting through the bush with a monster at her heels—but no one believes her. In a bid to curb Mellie’s overactive imagination, her benefactors send her to visit a family friend, Anthea Winstanley. Anthea is an amateur paleontologist convinced she will one day find proof that great sea dragons swam in the vast inland sea that covered her property millions of years ago. Mellie is instantly swept up in the dream.

After a whirlwind romance, London teashop waitress Fleur Richards can’t wait for her new husband, Hugh, to return from the Great War. But when word of his death arrives on Armistice Day, Fleur learns he has left her a sizable family fortune. Refusing to accept the inheritance, she heads to his beloved home country of Australia in search of the relatives who deserve it more.

A gripping historical mystery for fans of Kate Morton and Natasha Lester’s The Paris Seamstress, The Cartographer’s Secret follows a young woman’s quest to heal a family rift as she becomes entangled in one of Australia’s greatest historical puzzles.

Australia, 1906: Orphan Jane Piper is nine years old when philanthropist siblings Michael and Elizabeth Quinn take her into their home to further her schooling. The Quinns are no strangers to hardship. Having arrived in Australia as penniless immigrants, they now care for others as lost as they once were. Despite Jane’s mysterious past, her remarkable aptitude for mathematics takes her far over the next seven years, and her relationship with Elizabeth and Michael flourishes as she plays an increasingly prominent part in their business.

Thirty miles off the coast of San Francisco lie the Farallon Islands, known to sailors as the Devil’s Teeth. Despite their fearsome reputation, their remote nature appeals to young Lucy Riley, who in 1859 seeks a new start as a teacher to the lighthouse keepers’ children. But Lucy brings treacherous secrets with her, including a name that isn’t hers and a past she can’t escape. On the island, she meets Will Sisson, a mysterious man who seems to recognize her name—but not her face. Wary of Will at first, Lucy slowly starts to trust him.

In the summer of 1862, a group of young artists led by the passionate and talented Edward Radcliffe descends upon Birchwood Manor in rural Oxfordshire. Their plan: to spend a secluded summer month in a haze of inspiration and creativity. But by the time their stay is over, one woman has been shot dead while another has disappeared; a priceless heirloom is missing; and Edward Radcliffe’s life is in ruins. Over 150 years later, Elodie Winslow, a young archivist in London, uncovers a leather satchel containing two seemingly unrelated items.

Rare-book dealer Ashlyn Greer’s affinity for books extends beyond the intoxicating scent of old paper, ink, and leather. She can feel the echoes of the books’ previous owners—an emotional fingerprint only she can read. When Ashlyn discovers a pair of beautifully bound volumes that appear to have never been published, her gift quickly becomes an obsession. Not only is each inscribed with a startling incrimination, but the authors, Hemi and Belle, tell conflicting sides of a tragic romance.

1937. Katya Komarovsky is studying medicine in Glasgow, living among friends and eager to begin her career as a doctor. But when her spendthrift parents announce that they’ve run out of money and are facing ruin—and that she’ll now have to support them by working as a governess in Vienna—the life she’s dreamed of goes up in smoke. Furiously resentful, Katya rages at her wealthy employer, Thor, for stealing her future—and saddling her with twelve-year-old Gretchen, a deeply troubled child who has only a blazing musical talent to redeem her.

Madeleine Talmage Force is just 17 when she attracts the attention of John Jacob "Jack" Astor. Jack's mother was the Mrs. Astor, American royalty and New York's most formidable socialite. Despite their 29-year age difference and the scandal of Jack's recent divorce, Madeleine falls headlong into love. On their honeymoon in Egypt, the newlyweds finally find a measure of peace away from photographers and journalists. Madeleine feels truly alive for the first time - and is happily pregnant. The couple plans to return home in the spring of 1912, aboard an opulent new ocean liner.

Adelaide Hills, Christmas Eve, 1959. At the end of a scorching hot day, a local deliveryman makes a terrible discovery. A police investigation is called, and the small town of Tambilla becomes embroiled in one of the most shocking and perplexing murder cases in the history of South Australia. Many years later and thousands of miles away, Jess is a journalist in search of a story. Having lived and worked in London for nearly two decades, she now finds herself laid off from her full-time job and struggling to make ends meet. Until a phone call out of nowhere summons her back to Sydney.

When concert pianist Vivienne Mourdant’s father dies, he leaves to her the care of a patient at Hurstwell Asylum. Vivienne had no idea the woman existed, and yet her portrait is shockingly familiar. When the asylum claims she was never a patient there, Vivienne is compelled to discover what happened to the figure she remembers from childhood dreams.

Hidden away in rural Devonshire, Phyllida Satterthwaite has always been considered more odd than beautiful. But in London, her oddity has made her a sensation. Far worse, it’s caught the eye of the sinister Duke of Moreland - a notorious art collector obsessed with acquiring one-of-a-kind treasures. To escape the duke’s clutches, she’s going to need a little help. Captain Arthur Heywood’s days of heroism are long past. Grievously injured in the Peninsular War, he can no longer walk unaided, let alone shoot a pistol. What use can he possibly be to a damsel in distress?

Electra McDonnell has always known that the way she and her family earn their living is slightly outside of the law. Breaking into the homes of the rich and picking the locks on their safes may not be condoned by British law enforcement, but World War II is in full swing, Ellie's cousins, Colm and Toby, are off fighting against Hitler, and Uncle Mick's more honorable business as a locksmith can't pay the bills anymore. So when Uncle Mick receives a tip about a safe full of jewels in the empty house of a wealthy family, he and Ellie can’t resist.

Georgeanna “Georgey” Woolsey isn’t meant for the world of lavish parties and the demure attitudes of women of her stature. So when war ignites the nation, Georgey follows her passion for nursing during a time when doctors considered women on the battlefront a bother. In proving them wrong, she and her sister Eliza venture from New York to Washington, DC, to Gettysburg and witness the unparalleled horrors of slavery as they become involved in the war effort.

In December 1926, Agatha Christie goes missing. Investigators find her empty car on the edge of a deep, gloomy pond, the only clues some tire tracks nearby and a fur coat left in the car - strange for a frigid night. Her World War I veteran husband and her daughter have no knowledge of her whereabouts, and England unleashes an unprecedented manhunt to find the up-and-coming mystery author. Eleven days later, she reappears, just as mysteriously as she disappeared, claiming amnesia and providing no explanations for her time away.

Rose Winton wants nothing more than to work with her father, eminent naturalist Charles Winton, on his groundbreaking study of the platypus. Not only does she love him with all her heart, but the discoveries they have made could turn the scientific world on its head. When Charles is unable to make the long sea journey to present his findings to the prestigious Royal Society in England, Rose must venture forth in his stead. What she discovers there will change the lives of future generations.

1814 Sydney Town. When Mary Greenway, freshly arrived from the old country, steps into the maelstrom of Sydney Port with three children at her skirts, she has high hopes of a new beginning, despite having little money and a husband in irons. After all, the sudden death of her sadistic first husband has mean freedom from her gilded cage and Francis Greenway is an architect of some promise, under the protection of Admiral Phillip himself.

Australia, 1847. The last thing Mellie Vale remembers before the fever takes her is sprinting through the bush with a monster at her heels—but no one believes her. In a bid to curb Mellie’s overactive imagination, her benefactors send her to visit a family friend, Anthea Winstanley. Anthea is an amateur paleontologist convinced she will one day find proof that great sea dragons swam in the vast inland sea that covered her property millions of years ago. Mellie is instantly swept up in the dream.

After a whirlwind romance, London teashop waitress Fleur Richards can’t wait for her new husband, Hugh, to return from the Great War. But when word of his death arrives on Armistice Day, Fleur learns he has left her a sizable family fortune. Refusing to accept the inheritance, she heads to his beloved home country of Australia in search of the relatives who deserve it more.

A gripping historical mystery for fans of Kate Morton and Natasha Lester’s The Paris Seamstress, The Cartographer’s Secret follows a young woman’s quest to heal a family rift as she becomes entangled in one of Australia’s greatest historical puzzles.