Books I’ve found useful, in no particular order:
Blake Snyder: SAVE THE CAT
Donald Maass: WRITING THE BREAKOUT NOVEL and WRITING THE BREAKOUT NOVEL (which I found most useful).
Ditto: THE EMOTIONAL CRAFT OF FICTION
Ed. Alexander Steele: GOTHAM FICTION WORKSHOP
Remi Brown & Dave King: SELF-EDITING FOR FICTION WRITERS, 2nd ed.
K. M. Weiland/OUTLINING YOUR NOVEL; MAP YOUR WAY TO SUCCESS
Noah Lukeman/THE FIRST FIVE PAGES
Les Edgerton/HOOKED
James Scott Bell/HOW TO WRITE DAZZLING DIALOGUE
Ditto/PLOT AND STRUCTURE
Martha Alderson: THE PLOT WHISPERER
Ditto with Jordan Rosenfeld: WRITING DEEP SCENES: PLOTTING YOUR STORY THROUGH ACTION, EMOTION, AND THEME
Jane K. Cleland: MASTERING SUSPENSE, STRUCTURE & PLOT