It is not advisable to send your first draft to a professional editor. Once you have done this, you will need to begin researching the topic or topics.
Figure out how long editing will take and the amount of time you need to spend writing so that you have enough time for all these other goals. How does this affect the length of your book?
Agents and editors can tell within the first two pages whether your manuscript is worthy of further consideration.
Gather and Organize Your Materials Gather as much of your research and other necessary material as you can prior to the end of October. I know creating an index is a hassle, but if you think your readers will use it, then go the extra mile and include it.
Somehow they keep you turning those pages, even in a simple how-to title. This is the stage where you decide which publishing options will work best for you.