The Billionaire Hearts Club

Three billionaires. One oath. No love until forty.

Ronan, Gabriel, and Knox built Oath Capital on a signed promise: no serious relationships until they turn forty. Then a fake fiancée, a second chance, and one woman who won't back down prove some contracts are meant to be broken.

Interconnected standalones with banter, slow-burn tension, and guaranteed happily-ever-afters.

Taming Mr. Wilder • Trusting Mr. Sterling • Tempting Mr. Knightly

Taming Mr. Wilder

From the series: The Billionaire Hearts Club

From romance author Kelly Collins comes Taming Mr. Wilder, a fake engagement, grumpy sunshine, forced proximity standalone novel.

Devney Sinclair thought she’d hit rock bottom when her grumpy billionaire boss proposed the most outrageous business deal of her career: pretend to be his fiancée to secure a multi-million-dollar investment. One fake...

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Trusting Mr. Sterling

Billionaire Hearts Club
From the series: The Billionaire Hearts Club

A second chance billionaire romance where the man who broke her heart is the one who never stopped wanting her back.

She dropped a tray of champagne flutes. He said her name like it mattered. Eighteen years of distance—gone in a breath.

Tessa Thorne built her catering empire the hard way—one event, one employee, one paid-off bill at a time. She...

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Tempting Mr. Knightly (The Billionaire Hearts Club Book 3)

From the series: The Billionaire Hearts Club

From romance author Kelly Collins comes Tempting Mr. Knightly, an enemies to lovers, forced proximity, grumpy sunshine standalone novel.

Lucy Wang has built her bakery from nothing, and she’ll be damned if another suit destroys everything she loves. She’s got Flour & Honey, loyal customers, and a protective streak a mile wide. So when her...

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