You may be just starting out in your family history research or you may be knee deep in file folders. Either way, at some point you are going to hit a brick wall. In my German genealogy research I have hit many; but none that have bothered me quite like the Riddlestine family!
My grandmother Ruth (Riddlestine) Clark has a family history book her sister Margaret wrote. Margaret Riddlestine was the family historian. She had made this family history book before she died, which she passed out to all the siblings and nieces and nephews. She never had any children of her own so genealogy was a passion she devoted a lot of time to.