To Mend a Dream by Tamera Alexander

Savannah Darby would do almost anything to revisit her family home. So when the new owner Aidan Bedford seeks to redecorate the house for his fiancée, Savannah jumps at the opportunity. But can she find the box her father supposedly hid there during the war before her assignment is completed? And before she sees yet another battle lost on the home front—this time, a battle of the heart.