How to Pick Up the Thread and Fail the Worst?

I had this idea, i wanted to write a book. I wrote like enough to basically get away with a proposal and an outline. And on some sample pages written on where i had a te art historian specialist on looking at a work of art that was the work of a particular artist in her history. But there was one problem, the actual materials that were used were, they were too modern. They had actually been developed after this person had died. It led them into a mystery that was like, relly cool. So, mine and im, i'm mine is a story that am i kept picking up and putting down im. What are the times when you've tried to pick up