A mystery novella is a short and concise story that focuses on a mystery or a puzzling problem. It is a type of book that has elements of suspense and detective work, usually involving a crime or secret that needs to be solved. Full definition
Last autumn, I submitted a paranormal mystery novella called Like Mother, Like Daughters (yes, Daughters is intentionally plural) to Firebringer Press and am awaiting a response. (philgiunta.com)
From the student who wrote her first mystery novella in Chinese to the fifth grade exhibition on social justice — these are our greatest achievements. (publiccharters.org)
I reminded him that he'd published three thrillers over the past two years, not to mention several mystery novellas. (justwriteabook.com)