Hearts Unchained by A.G. Starling

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A fake relationship has two Formula One rivals drifting into dangerous territory in this enemies-to-lovers romance from the author of Checkered Hearts.

While Sir Leo Clarke is the winningest racer in Formula One history, lately he’s been on a losing streak thanks to his rival team’s hotshot principal, Ceci Rivers. Leo doesn’t approve of Ceci’s brash methods . . . or the way she always manages to twist his words and turn his day upside down. Maybe that’s why he jumps at the chance to fluster her for a change.

Ceci knows she has a tendency to go for broke―something she’s never seen “Sir Stick” achieve, thanks to all that measured British stoicism. But then, an impromptu kiss absolutely rocks her world, and she starts to think there’s more to Leo than meets the eye.

When they strike an advantageous deal requiring them to pose as a couple, Leo and Ceci quickly lose sight of the line between ruse and reality. And as the season heats up both on and off the track, they find themselves racing full speed ahead into an actual relationship. But with so many red flags in their past, will they make it to the finish line?