There are 7 books in the The Sinclairs series. The newest book is Only a Millionaire which came out in 2018.

From Wall Street Journal bestselling author J. S. Scott.

Dante Sinclair never cared about his family's money. All the young billionaire ever wanted was to be a cop; and now that he's a homicide detective in Los Angeles, he's a damn good one. But when he is injured and loses…
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2
The Forbidden Billionaire

Book cover of The Forbidden Billionaire
A Wall Street Journal bestseller.

All of Jared Sinclair's wealth still can't ease the pain from his terrible childhood...or his guilt over a recent tragedy. Unable to forgive himself, the billionaire property investor buries his emotions, toughens his skin, and becomes a notorious womanizer, refusing to commit his heart to…

3
The Billionaire's Touch

Book cover of The Billionaire's Touch
A Wall Street Journal bestseller.

After a troubling childhood, wealthy Evan Sinclair likes his life orderly and controlled. He rarely gives in to spontaneous urges-until he begins a chance correspondence with a mystery woman who sounds like his complete opposite. She intrigues and amuses him, and the interest seems mutual...which…

4
The Billionaire's Voice

Book cover of The Billionaire's Voice
A Wall Street Journal bestseller.

As an extreme-sports mogul, billionaire Micah Sinclair is comfortable taking risks. But nothing-and no one-has ever challenged him like Tessa Sullivan. He's fascinated by the woman who's overcome so much, including the loss of her hearing. The petite blonde dynamo, a small-town restaurateur on the…

5
The Billionaire Takes All

Book cover of The Billionaire Takes All
A Wall Street Journal bestseller.

A-list movie star and billionaire Julian Sinclair learned from past tragedy that life doesn't come with multiple takes. Now that he's figured out what he wants-in the lush form of redheaded Kristin Moore-he's got one chance to claim it. Between working as a medical assistant…

6
The Billionaire's Secrets

Book cover of The Billionaire's Secrets
A Wall Street Journal bestselling series.

Former rock star Xander Sinclair may be out of rehab, but he's not out of the woods. Still haunted by his parents' murders, he has secluded himself in his Amesport mansion and dodges any attempted contact from his two brothers. Struggling not to fall…

7
Only a Millionaire

Book cover of Only a Millionaire
An Amazon Charts and Wall Street Journal bestseller.

It has been a year since Brooke escaped to the lovely coastal community of Amesport, Maine, where no one knows her real name or what she's been through. Now she's finally heading back home to California. That means saying goodbye to Liam…