Sarah M. Anderson 
Nanny Plan [EPUB ebook] 

This billionaire bachelor has a baby challenge…Being a father to his orphaned infant niece is out of this tech billionaire’s comfort zone. Lucky for Nate Longmire, Trish Hunter is a natural at motherhood and she’s agreed to be his temporary nanny. But long glances, slow kisses and not-so-innocent touches are strictly off limits…Trish’s goal is to help Nate in exchange for a big donation to her charity for Lakota kids. Falling for her bachelor boss-and his adorable baby girl-is not part of the plan. But when the month is up, will she be able to walk away?