Novel Ideas

Here is a list of novel ideas I have collected and even started writing over the years. Which one should I finish this Summer or should I start up a new one?

1. Mr. Hugh Nivers
2. The Veil of Forgetfullness
3. Slippy the Penguin
4. Astral Leverage
5. The Game of Life
6. RiBot
7. The Lever -Archimagus

Daniel is planning on finishing his zombie detective novel which he wants to turn into both a graphic novel and a regular novel.