Writers write. So it is not surprising that there are a lot of books about the subject writers know best–writing. The resources listed here each made a difference to me. This is not an exclusive list. There are other resources that also had an impact. But as I consider the question at this time, these are the ones that come immediately to mind as worth sharing, in no particular order.
Elements of Writing Fiction: Scene and Structure, Jack Bickham
Write Great Fiction: Plot & Structure, James Scott Bell
National Novel Writing Month, managed by The Office of Letter and Lights
J. C. Conway 