A: Youbooks cannot continue or finish your book. Youbooks uses sources like it uses the internet, it searches for information in them and uses it only if useful in the current context. This is by design, as youbooks is mostly used by people who want to use various sources but only have the book project extract the relevant bits.

If you would like mnore details on this, please search for similar questions in this Q&A board. Your question is a very frequent one and has been answered several times with defferent levels of detail.