Treasures Of The Heart Books in Order
Part ofCatherine Palmer Books in OrderExplore the Treasures of the Heart books by Catherine Palmer in order, with quick summaries, series background, and where to start.
Last updated: June 9, 2026
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Publication Order
4 books
A Kiss of Adventure / The Treasure of Timbuktu
by Catherine Palmer
1997
On the run from kidnappers, Tillie Thornton is forced into an uneasy alliance with adventurer Graeme McLeod. Their search for answers becomes a high stakes journey across danger, mistrust, and growing attraction.
A Whisper of Danger / The Treasure of Zanzibar
by Catherine Palmer
1997
Jessica Thornton inherits a remote island mansion and hopes for a fresh start with her son. Instead she finds deception, murder, and the husband who deserted her before the boy was born.
A Touch of Betrayal
by Catherine Palmer
2000
Fashion designer Alexandra Prescott expects adventure on her latest trip, not financial ruin and an attempt on her life. Forced to rely on stubborn anthropologist Grant Thornton, she finds danger and love arriving together.
Sunrise Song
by Catherine Palmer
2003
Elephant researcher Fiona Thornton lives for protecting the herds of Kenya, not for romance. But when wealthy entrepreneur Rogan McCullough enters her world just as poachers close in, partnership becomes unavoidable.
Series background & context
Treasures of the Heart is the most adventurous corner of Catherine Palmer's fiction. These are contemporary romantic adventures set largely in Africa, with a family thread running underneath the danger. Lost treasures, unusual inheritances, murder attempts, poachers, and uneasy alliances all show up here, but so do big landscapes and a real affection for the places the books visit.
The series follows members of the Thornton family as each book hands the spotlight to a different protagonist. A Kiss of Adventure sends Tillie Thornton into a full-on treasure hunt with Graeme McLeod after kidnappers and hidden motives force them together. A Whisper of Danger gives Jessica Thornton an inherited island mansion and the last person she wants to see, the husband who vanished before their son was born. A Touch of Betrayal centers on fashion designer Alexandra Prescott and anthropologist Grant Thornton as business disaster and an attempt on her life push them into reluctant partnership. Sunrise Song turns to elephant researcher Fiona Thornton and businessman Rogan McCullough in Kenya, where poachers threaten both wildlife and the fragile trust between them.
Adventure drives these books, but family keeps them grounded.
Palmer uses Africa as a living setting rather than a postcard. Islands, deserts, cities, wildlife reserves, remote camps, and dangerous stretches of open land all matter to the plot. The stories move quickly, yet she still makes room for work, travel, local atmosphere, and the strain of people who are physically out of place and emotionally on edge.
The tone is romantic suspense with a treasure-hunt streak. These books are bigger and busier than Palmer's small-town or prairie novels. The threats come from greed, betrayal, criminal pursuit, and the simple fact that nature does not care whether a couple is ready to admit what is happening between them. The faith element is there, but it usually arrives through action and choice, not long explanation.
What makes the series especially enjoyable is its sense of motion. Even when a book pauses for emotional reflection, it still feels like something is around the next bend, a clue, a betrayal, a chase, or a hard truth. Palmer clearly likes writing people who are in over their heads and have to grow up fast.
If you like romance with movement, Treasures of the Heart is probably the Palmer series to try first. It offers globe-spanning settings, strong sibling and family ties, plenty of danger, and couples who usually meet in the middle of a problem before they ever admit they might be falling in love.
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