The Secret of Richmond Manor — Gilbert Morris

As the Civil War rages, young Leah Carter moves with her ailing uncle Silas to what townspeople believe is a haunted house. But what she finds is even more frightening-something that sorely challenges her faith and strengthens her relationship with Jeff.

The Secret of Richmond Manor is the third of a ten book series, that tells the story of two close families find themselves on different sides of the Civil War after the fall of Fort Sumter in April 1861. Thirteen year old Leah becomes a helper in the Union army with her father, who hopes to distribute Bibles to the troops. Fourteen year old Jeff becomes a drummer boy in the Confederate Army and struggles with faith while experiencing personal hardship and tragedy.  The series follows Leah, Jeff, family, and friends, as they experience hope and God's grace through four years of war.