Mystery writing involves solving a puzzle, but 'high suspense' writing is a situation whereby the writer thrusts the hero/heroine into high drama.
“I rode in a nine-day charity ride recently, averaged 43km a day and still finished in the lead group. I'm 38, not quite finished yet.”
“It was my study of the two Corinthian letters that first caused me to concentrate my attention more directly on the relation of the apostle Paul to the older apostles.”