He built walls to keep her out. Then married her to keep her close.From USA Today bestselling author Catharina Maura comes a soul-gripping billionaire romance that blends slow-burn desire, office tension, and a marriage of convenience that turns dangerously real.Luca Windsor has rules: No distractions. No attachments. And absolutely no falling for his assistant.But Valentina doesn't follow rules—she rewrites them. Sharp-witted, composed, and always one step ahead, she's the only person who sees past Luca's icy façade. And the only woman who's ever made him lose control.She's off-limits. So he pushes her away.Until she needs help—and Luca demands her hand in marriage in return.It's meant to be temporary. A cold contract. Business, not emotion. But behind boardroom walls and shared spaces, feelings start to simmer. Glances linger. Hearts slip. And soon, neither can remember why they ever pretended not to care.Readers are calling The Temporary Wife "a serotonin overload," "a masterclass in slow-burn tension," and "utterly unforgettable." With more than 65,000 ratings and a devoted BookTok following, this Windsor family romance is reshaping the billionaire love story—with emotional depth, heartbreaking vulnerability, and swoon-worthy redemption.