Ideas on the Periphery

One line of plot does not always get you from beginning to end of book. It's one of those things that adds to length, either a sub plot or a plot layer. Neither is totally unrelated to the main line, but each adds different elements.

Mom delivered an idea that a friend of hers believes is underdeveloped in books. Oh, it'll require research for me  because I'm not familiar with it. It will have good conflict opportunities for characters. The more I think about it, though, I'm not sure it will m...