Book excerpt: At Destiny's Door is book 3 of the Trail Toward Destiny series. Grace and Mark Peterson, as well as their newly adopted daughters, begin the tremendous task of carving a new life for themselves on the 650 acres of their land claim. They will need to draw strength from their faith in order to deal with an unexpected congregation, clashing cultures, a mysterious fever that ravages the valley, and a tragic accident that may change their lives forever.