Her Generous Billionaire by Juliette Duncan

A grieving billionaire, a devoted solo mother, and a woman determined to sabotage their relationship…
Marcus Alcott has all the money in the world, but it can’t bring back his beloved wife, Bree, who died of breast cancer five years earlier. He wonders why God allowed her to die, and doubts he’ll ever find true love again.
Tiffany Harris is doing her best to raise her two children following an ugly divorce, working as a carer to make ends meet. One of her clients is a sweet older lady who’s confined to a wheelchair. Her son just happens to be Marcus Alcott.
When Marcus needs a date for a charity ball, his mother suggests he takes Tiffany. He laughs at the idea, but when a face from the past appears and offers to go with him, he quickly decides Tiffany is the better option.
What starts as a date of convenience quickly turns into something more, but after a disastrous first marriage, can Marcus let go of Bree and learn to love again?
And can Tiffany learn to trust another man, even if that man has all the money in the world?