Question: Please tell me how I can finish a fiction book... I've got great ideas, but I get to the 3rd chapter and pfffttt... any tips???
#1 - Don't write it in order. Write the scenes that move you or interest you the most, then connect them later. (unfortunately that's how I write all the time)
#2 - Just write. Don't edit until afterwards. You can always take out anything you don't like later, and you can always add to it. Just get the foundation down.
#3 - If you have writer's block, take a song that fits the mood of the book or scene and listen to it incessantly until you "catch the mood". I had to do that once and it worked well. I was on the last scene of my rewrite and I couldn't make myself do it.