Reddit reviews Writers Workshop of Horror

The books I'm using are:

1. The Easy Way to Write Horror That Sells by Rob Parnell
   
   
2. Writing Dark Stories: How to Write Horror and Other Disturbing Short Stories (Writer's Craft Book 6) by Rayne Hall
   
   
3. Writing Scary Scenes: Professional Techniques for Thrillers, Horror and Other Exciting Fiction (Writer's Craft Book 2) by Rayne Hall
   
   
4. On Writing Horror: A Handbook by the Horror Writers Association by Mort Castle et al.
   
   
5. Mini Horror Fiction Writing Guide: 7 Steps To Writing Horror Fiction For Fun by Randal Schaffer, HowExpert Press
   
   
6. Horror Writing 101: How to Write a Horror Novel by Steve French
   
   
7. Writers Workshop of Horror by Michael Knost et al.
   
   Anybody have any other book recommendations while we're at it?
   
   Note: none of these links are affiliate links.
   
   Edit: formatting

I sold my first horror story after reading Michael Knost's Writer's Workshop of Horror