Do you have a compiled genealogy book with numbers assigned to each individual? What do those numbers mean and how can you trace your family with them? If you have wondered how to navigate the long blocks of numbered text in these books, you’re not alone. Last September, my friend Gina and I were chatting about family history when she showed me a genealogy book compiled by one of her husband’s relatives. She let me borrow it. As I flipped through it, I realized how daunting...