Lone Star Legacy Series by Sara Orwig

A cool million to help a withdrawn child in time for kindergarten? Widowed teacher Ava Barton is touched that the girl's guardian, Texas billionaire Will Delaney, cares so deeply. But the job includes moving into Will's mansion for the summer. And suddenly, Ava is working nights and weekends trying—unsuccessfully—to resist the gorgeous tycoon down the hall. Will wants her in his bed for June, July and August. But come fall, he'll move on... moreA cool million to help a withdrawn child in time for kindergarten? Widowed teacher Ava Barton is touched that the girl's guardian, Texas billionaire Will Delaney, cares so deeply. But the job includes moving into Will's mansion for the summer. And suddenly, Ava is working nights and weekends trying—unsuccessfully—to resist the gorgeous tycoon down the hall. Will wants her in his bed for June, July and August. But come fall, he'll move on. Unless she can teach him a thing or two about opening his guarded heart to love. less

The illegitimate daughter of a late Texas billionaire, Sophia Rivers stands to inherit a fortune. But the stubborn woman doesn't want a penny of it. As financial advisor to the wealthy Delaney family, Garrett Cantrell has to convince Sophia to accept her inheritance. If she doesn't, her half brothers will lose their billions. So he introduces himself as a local businessman and starts softening her up, talking to her about family, loyalty and love... moreThe illegitimate daughter of a late Texas billionaire, Sophia Rivers stands to inherit a fortune. But the stubborn woman doesn't want a penny of it. As financial advisor to the wealthy Delaney family, Garrett Cantrell has to convince Sophia to accept her inheritance. If she doesn't, her half brothers will lose their billions. So he introduces himself as a local businessman and starts softening her up, talking to her about family, loyalty and love. But the proud beauty has no idea who he really is. And the truth may cost him his heart. less

Billionaire Zach Delaney needs a live-in assistant while he recuperates from an injury. But when Emma Hillman arrives at his Texas ranch with her suitcase, he knows he'll have to work hard to resist her. She's sexy and efficient, but way too family-oriented for a risk-taking globe-trotter like him.Emma is supposed to type, file and sort through centuries-old Delaney family letters—not be seduced by her gorgeous boss into a can't-last affair... moreBillionaire Zach Delaney needs a live-in assistant while he recuperates from an injury. But when Emma Hillman arrives at his Texas ranch with her suitcase, he knows he'll have to work hard to resist her. She's sexy and efficient, but way too family-oriented for a risk-taking globe-trotter like him.Emma is supposed to type, file and sort through centuries-old Delaney family letters—not be seduced by her gorgeous boss into a can't-last affair. But as she tries to transform Zach into a man who values family, she ends up expecting a Delaney of her own. Will Zach head for his jet…or welcome his Christmas heir? less