Sign up for NaNoWriMo (National Novel Writing Month). There are still 22 days to go... You can do it!
Plot & Structure by James Scott Bell
Read this for an overview of the 3-act structure. This is a great resource on where the high and low points of your plot should fall within your manuscript.
The Hero's Journey
This website gives a succinct breakdown of The Hero's Journey, a plotting method based on mythology and analysis of a lot of literary works. This method is used widely in screenplays and also in a lot of successful fiction. For an even more in-depth dive, you can read "The Hero with a Thousand Faces" by Joseph Campbell.
Writing the Breakout Novel Workbook by Donald Maass
This workbook offers exercises to strengthen your characters, plot, and even scenes within your manuscript. Doing the exercises in this workbook helped me sell my first book to a New York traditional publisher.
Writing Fiction for Dummies by Randy Ingermanson
This craft book dives deeper into the pillars of fiction: character, plot, storyworld/setting, theme, style. (Written by one of my friends! I highly recommend it.)
Goal, Motivation, & Conflict by Debra Dixon
Dive deeper into understanding goal, motivation, and conflict. Look at external and internal GMC.
The Story Equation by Susan May Warren
This is a great resource to understand what makes your character tick and how to apply that to your book in a way that makes the story powerful. (Written by a friend and my top writing craft book of 2017).
Word Painting by Rebecca McClanahan
This is a great resource for learning how to create more descriptive setting/storyworld.
The Chunky Method Handbook by Allie Pleiter
Read this and learn how to identify your ideal writing "chunk" and discover how to fit more of those chunks into your daily life. Write more words without changing your schedule.
5,000 Words Per Hour by Chris Fox
Read this if you want to figure out the ideal way to get into the writing zone and work on writing more words every day.