The Promised Amish Bride by Marta Perry

Returning to his Amish community after losing his job in the Englisch world, Aaron King isn't sure if he wants to stay. Everything's the same, including his childhood friend Sally Stoltzfus. With an uncertain future and a big secret, Aaron has changed. But the more time he spends training a horse with Sally, the more he believes this is exactly where he's meant to be.

His Amish Choice by Leigh Bale

When Lizzie Beiler's fianc cast her and his Amish faith aside to pursue an Englisch education, she vowed never to marry. Now he's back and helping on her father's farm. And though Lizzie's unsure she can ever forgive him, she finds their love still lingers. But is Eli finally ready to build a family with Lizzie...or will he return to his Englisch life?