Take your time. A great name literally multiplies the interest of your book several fold. Check off STEP 6 now that you've got your title. Day 7 Proofread and edit everything. This is hard because by now, you're a bit too close.
Last step is a good spell-check.
You've just polished off STEP 7. You've just written your first book. It wasn't hard at all. Over the next couple of days send a few copies to some colleagues to get feedback. Adjust the content as necessary.