The world of 'cozy puzzles' is vast once you look past the dead bodies. One of my favorites is 'The Curious Incident of the Dog in the Night-Time'—it’s a fantastic procedural mystery driven by a boy trying to figure out who hurt his neighbor's dog, with the central puzzle being about human behavior and social codes more than a crime. For a classic, 'The Westing Game' by Ellen Raskin is the ultimate blueprint: a group of heirs solving a bizarre, non-lethal puzzle for an inheritance, full of wordplay and red herrings. It's pure, delightful brain-teasing.
Modern series have really leaned into this niche. I’ve been devouring the 'Secret, Book, & Scone Society' books; while some later entries have murders, the first one, 'The Whispered Word', revolves around a mysterious bookish secret and a threatening note, solving a puzzle about a person's past. On the digital side, I stumbled upon a web serial called 'The Daily Grind' where the mystery is about a bizarre, shifting office building—the puzzle is surviving and mapping its illogical rules, no murder required. The satisfaction comes from the 'aha!' moment of pattern recognition, not from catching a killer.