Text eschews a connecting-the-dots, painting-by-numbers approach, in belief that formulas drain the lifeblood of creativity and inevitably spawn a ho-hum product. That said, the eight factors culled from the covered films constitute useful tools in the screenwriter's arsenal.

Perhaps the best groundwork for a thriller is infiltrating the ATF/FBI/IRA, or a brigade of arms-running mercenaries. Short of that, watching films and reading scripts will work wonders. In that spirit, the book debuts three feature-film scripts for critical scrutiny: mystery thriller "Stateline"; police thriller "Cashing Out"; supernatural thriller "Birthmarks."