For the edition with the red cover...
The wife he couldn't forget: After an accident leaves Xander Jackson with no memory of the past several years, he doesn't realise he walked out on his marriage. And his wife Olivia grabs this chance to start over with the man she still desires. Allowing Xander to believe they're still the passionate, loving couple they once were is one thing. But Olivia must also hide all evidence of the devastating loss that destroyed their relationship. It's the biggest gamble of her life and everything depends on reclaiming Xander's heart.

Seduced by the CEO - Barbara Dunlop
Book 2 in Chicago Sons series - Barbara Dunlop
Born on the wrong side of the bed, Riley Ellis is done playing second fiddle to his half brother—the legitimate heir. Determined to make his own company a success, Riley needs leverage and Kalissa Smith is it. Only he knows Kalissa is the long-lost identical twin to his rival's beloved wife. What a scandal their union could cause…

the following is
Not for this specific edition,
There's another duo
The Wife He Couldn't Forget / What the Prince Wants
AND
What The Prince Wants — Jules Bennett
(Royals, #1; Billionaires and Babies, #58)
What the prince wants: Widowed Prince Mikos Colin Alexander wants to raise his little girl out of the spotlight. Granted a six-month leave from his royal duties, he escapes to Los Angeles, posing as a regular guy in need of a live-in nanny. Colin reluctantly hires Darcy Cooper, the curvy beauty who easily wins over his baby duchess. But soon the love-shy American wins him over too. Now he's torn between duty to the crown and what feels like his newfound family. But when Darcy discovers her emotionally distant boss is royalty, will all bets be off?